What is the primary reason for your gratitude?
For the information provided.
What phase of the cell cycle does DNA replication occur?
S phase.
1/426
p.68
General Knowledge

What is the primary reason for your gratitude?

For the information provided.

p.42
Cell Life Cycle

What phase of the cell cycle does DNA replication occur?

S phase.

p.8
Plasma Membrane Functions

What type of molecules are absorbed through diffusion?

Lipid-soluble molecules.

p.9
Membrane Transport Mechanisms

What is osmosis?

The net movement of water through a selectively permeable membrane.

p.3
Cell Anatomy and Structure

What is the function of the nucleus in a cell?

It acts as the cell control center and contains heredity information.

p.23
Organelles and Their Functions

What is an example of a cell that uses flagella for movement?

Sperm cells.

p.63
Types of Tissues

What type of muscle tissue is responsible for voluntary movements?

Skeletal muscle.

p.30
Cellular Metabolism

What is the main product of glycolysis?

Two 3-carbon pyruvic acid molecules and a net gain of 2 ATP molecules.

p.54
Types of Tissues

What are secretions from endocrine glands called?

Hormones.

p.8
Plasma Membrane Functions

What gases are exchanged through diffusion between blood and cells?

Oxygen (O2) and carbon dioxide (CO2).

p.3
Cell Anatomy and Structure

What are the three main parts of a cell?

Plasma membrane, cytosol, and organelles.

p.7
Membrane Transport Mechanisms

What is simple diffusion?

The movement of molecules from a region of high concentration to a region of low concentration, down the concentration gradient.

p.7
Membrane Transport Mechanisms

What factors can increase the rate of diffusion?

Increased temperature, light, small particle size, increased membrane surface area, and a steeper concentration gradient.

p.7
Membrane Transport Mechanisms

How does temperature affect diffusion?

Increased temperature speeds up the diffusion rate.

p.20
Organelles and Their Functions

Where is the Golgi Apparatus located?

Close to the nucleus.

p.29
Cellular Metabolism

What is cellular respiration?

A series of chemical reaction processes within a cell for generating energy, usually in the form of ATP, from dietary proteins, fats, and carbohydrates.

p.29
Cellular Metabolism

What are the three main processes of cellular respiration?

Glycolysis, The Citric Acid Cycle (Krebs Cycle), and Oxidative phosphorylation/Electron transport chain.

p.29
Cellular Metabolism

Where does glycolysis occur?

In the cytosol.

p.60
Types of Tissues

What does cartilage cover?

The ends of long bones.

p.1
Cell Life Cycle

What are the stages of the cell life cycle?

Interphase, mitosis, and cytokinesis.

p.13
Membrane Transport Mechanisms

What type of transport requires energy indirectly?

Secondary Active Transport.

p.1
Cell Life Cycle

Why is the cell life cycle significant?

It is crucial for understanding how cells grow, divide, and function.

p.18
Organelles and Their Functions

What percentage of the membrane surface within the cytoplasm does the ER comprise?

More than half.

p.16
Cell Anatomy and Structure

What does the cytoplasm consist of?

All cellular contents between the plasma membrane and the nucleus.

p.50
Types of Tissues

What is the primary function of epithelial tissue?

To cover body surfaces.

p.20
Organelles and Their Functions

What is the shape of the Golgi Apparatus?

Cupcake shape.

p.34
Protein Synthesis Process

What is the starting point for transcription on the DNA?

A DNA nucleotide sequence called the promoter.

p.39
Cell Life Cycle

What is the cell cycle?

A series of phases a cell goes through from formation until it divides.

p.43
Cell Division: Mitosis and Meiosis

Where does mitosis occur?

In the nucleus.

p.11
Membrane Transport Mechanisms

What is facilitated diffusion?

A type of passive transport that assists substances in crossing the cell membrane.

p.45
Cell Life Cycle

How many cell divisions occur during meiosis?

Two cell divisions.

p.42
Cell Life Cycle

What is required for the unwinding of the DNA helix?

ATP.

p.43
Cell Division: Mitosis and Meiosis

What happens to chromatin during mitosis?

It becomes tightly coiled and easier to see under the microscope.

p.33
Protein Synthesis Process

What are the major events of protein synthesis?

Transcription and Translation.

p.30
Cellular Metabolism

What is the role of oxidative phosphorylation?

Involves the electron transport chain and chemiosmosis to create most ATP molecules.

p.36
Protein Synthesis Process

How do codons relate to tRNA?

Each tRNA molecule has an anticodon that pairs with a corresponding codon on mRNA.

p.16
Cell Anatomy and Structure

What are the two main components of the cytoplasm?

Cytosol and organelles.

p.8
Membrane Transport Mechanisms

What are ion channels?

Pores through which diffusion occurs.

p.34
Protein Synthesis Process

What is transcription?

The synthesis of messenger RNA (mRNA) from a DNA template catalyzed by RNA polymerase.

p.62
Types of Tissues

What are the main functions of muscle tissue?

Provide movement within the body and of the body itself.

p.34
Protein Synthesis Process

What happens to mRNA after it is synthesized?

It leaves the nucleus to the cytoplasm through the nuclear pore.

p.22
Organelles and Their Functions

What are the two main components of a centrosome?

Two hollow cylinders called centrioles.

p.15
Membrane Transport Mechanisms

What is receptor-mediated endocytosis?

A more selective form of phagocytosis or pinocytosis that minimizes unnecessary matter intake.

p.22
Organelles and Their Functions

Where is the centrosome located in the cell?

Near the Golgi apparatus and nucleus.

p.57
Types of Tissues

How do loose connective tissues act in relation to cells?

They cushion and stabilize cells.

p.29
Cellular Metabolism

Where do the Citric Acid Cycle and Oxidative phosphorylation occur?

In the mitochondria.

p.19
Cellular Metabolism

Why are mitochondria referred to as the powerhouse of the cell?

Because they generate ATP for energy.

p.36
Protein Synthesis Process

What are codons?

Codons are sequences of three nucleotides that correspond to specific amino acids.

p.23
Organelles and Their Functions

What is the primary function of flagella?

To generate forward motion of the entire cell.

p.47
Types of Tissues

What does 'Section Break' refer to?

A division in a document or presentation to indicate a change in topic or content.

p.7
Membrane Transport Mechanisms

What role does the concentration gradient play in diffusion?

A steeper concentration gradient speeds up the diffusion rate.

p.62
Types of Tissues

What does muscle contraction require?

A rich blood supply providing sufficient oxygen, calcium, and nutrients, and removing waste products.

p.58
Types of Tissues

What type of fibers do dense connective tissues contain?

Elastic fibers.

p.39
Cell Life Cycle

What are the major phases of the cell cycle?

Interphase, Mitosis, and Cytokinesis.

p.20
Organelles and Their Functions

What is the structure of the Golgi Apparatus composed of?

Small flattened membranes and associated vesicles.

p.39
Cell Life Cycle

What is cytokinesis?

Cytoplasmic division that occurs after mitosis.

p.19
Cellular Metabolism

What is the primary function of mitochondria?

To generate ATP and provide energy through aerobic respiration.

p.56
Types of Tissues

What type of connective tissue is responsible for energy storage?

Adipose tissue.

p.14
Membrane Transport Mechanisms

What is endocytosis?

The process where materials move into a cell in a vesicle formed from the plasma membrane.

p.56
Types of Tissues

Which cells in connective tissue provide immunity to disease?

White blood cells.

p.11
Membrane Transport Mechanisms

Does facilitated diffusion require energy?

No, it does not require energy.

p.45
Cell Life Cycle

Why is genetic variation important in offspring?

Because haploid and genetically unique sex cells can combine during fertilization.

p.57
Types of Tissues

What are examples of loose connective tissues?

Areolar and adipose tissue, along with finely woven reticular fibers.

p.33
Protein Synthesis Process

What is Transcription in protein synthesis?

The process of synthesizing RNA from DNA.

p.18
Organelles and Their Functions

What are the main functions of Smooth ER?

Synthesis of fatty acids and steroids, detoxification of drugs/toxins, and calcium storage.

p.12
Membrane Transport Mechanisms

What is the direction of movement in primary active transport?

From low concentration to high concentration.

p.14
Membrane Transport Mechanisms

Which types of cells particularly rely on exocytosis?

Secretory cells and nerve cells.

p.64
Types of Tissues

What are the three parts of a neuron?

Cell body, dendrites, and axon.

p.49
Types of Tissues

How many types of body tissues are there?

8 types.

p.69
Cell Anatomy and Structure

What is the basic unit of life?

The cell.

p.21
Organelles and Their Functions

What are lysosomes?

Membrane-enclosed vesicles that contain digestive and hydrolytic enzymes.

p.46
Cell Life Cycle

What processes do stem cells undergo to form specialized cells?

Mitosis and differentiation.

p.8
Plasma Membrane Functions

What is one function of diffusion in relation to waste?

Release waste from body cells.

p.16
Organelles and Their Functions

What are organelles?

Tiny structures that perform different functions in the cell.

p.47
Cell Life Cycle

What is the significance of 'Toilet Time'?

A colloquial term often used to refer to personal time spent in the restroom.

p.56
Types of Tissues

What is the most abundant tissue in the body?

Connective tissue.

p.20
Organelles and Their Functions

What types of proteins does the Golgi Apparatus handle?

Proteins for secretion, inclusion in lysosomes, and incorporation into the plasma membrane.

p.57
Types of Tissues

What is the primary function of loose connective tissues?

To fill up space between organs.

p.56
Types of Tissues

What are the primary functions of connective tissue?

Support and bind structures, store energy, and provide immunity.

p.63
Types of Tissues

What type of muscle tissue is involuntary and found in the walls of hollow organs?

Smooth muscle.

p.1
Cellular Metabolism

What are the different types of cellular metabolism?

Cellular respiration, protein synthesis, packaging, and processing.

p.30
Cellular Metabolism

What happens to pyruvic acid after glycolysis?

Each pyruvic acid molecule enters the mitochondria to start the Citric Acid Cycle.

p.60
Types of Tissues

What is one of the primary functions of cartilage?

To resist compression and absorb shock.

p.30
Cellular Metabolism

What is produced during the Citric Acid Cycle?

2 more ATP and carbon dioxide as a waste product.

p.24
Cell Anatomy and Structure

What is the cytoskeleton?

A network of protein filaments that extends throughout the cytosol.

p.27
Organelles and Their Functions

What is chromatin?

A complex of macromolecules composed of DNA, RNA, and protein found inside the nucleus of eukaryotic cells.

p.40
Cell Division: Mitosis and Meiosis

What is produced during somatic cell division?

2 genetically identical cells with the same number and kind of chromosomes as the original cell (Diploid cells).

p.43
Cell Division: Mitosis and Meiosis

What are the four sub-phases of mitosis?

Prophase, Metaphase, Anaphase, Telophase.

p.64
Types of Tissues

Where is nervous tissue located?

In the brain, spinal cord, and nerves.

p.14
Membrane Transport Mechanisms

What is exocytosis?

The process where materials move out of a cell by the fusion of vesicles with the plasma membrane.

p.13
Membrane Transport Mechanisms

Can the transporter in secondary active transport require energy?

No, the transporter itself does not need energy.

p.49
Types of Tissues

What are body tissues?

Groups of similar cells working together to perform a particular function.

p.40
Cell Division: Mitosis and Meiosis

What happens to the number of chromosomes during meiosis?

The number of chromosomes is reduced by half to become Haploid cells (n=23).

p.24
Cell Anatomy and Structure

What do intermediate filaments do?

Stabilize organelle positions and help attach cells to others.

p.41
Cell Life Cycle

What is the main event during the S Phase of Interphase?

Cell duplicates centrioles and conducts DNA replication.

p.59
Types of Tissues

What waste product does fluid connective tissue help transport from cells?

Carbon dioxide.

p.32
Protein Synthesis Process

What does tRNA carry?

Anticodon.

p.69
Cell Anatomy and Structure

What are the two main types of cells?

Prokaryotic and eukaryotic cells.

p.44
Cell Division: Mitosis and Meiosis

What happens to chromatin fibers during mitosis?

They condense and shorten into chromosomes.

p.64
Types of Tissues

What is the role of the axon in a neuron?

To conduct output impulses.

p.46
Cell Life Cycle

What is the origin of all cells in the human body?

All cells come from stem cells.

p.46
Cell Life Cycle

What is the purpose of differentiation in cells?

To enable cells to specialize and become mature cells.

p.7
Membrane Transport Mechanisms

Is a membrane always needed for simple diffusion?

No, a membrane may not be needed.

p.23
Organelles and Their Functions

How do flagella compare to cilia in terms of structure?

Flagella have a similar structure to cilia but are much longer.

p.62
Types of Tissues

What is a primary characteristic of muscle tissue?

Able to contract and relax.

p.63
Types of Tissues

What are the three types of muscle tissue?

Skeletal muscle, cardiac muscle, and smooth muscle.

p.15
Membrane Transport Mechanisms

What type of transport is phagocytosis a part of?

Endocytosis.

p.45
Cell Life Cycle

What type of cells are produced through meiosis?

Sex cells (gametes).

p.30
Cellular Metabolism

What type of pathway is glycolysis?

Anaerobic pathway.

p.43
Cell Division: Mitosis and Meiosis

What are the main functions of mitosis?

Growth, repair, and replacement of worn-out cells.

p.39
Cell Life Cycle

What phase comes before mitosis in the cell cycle?

Interphase.

p.22
Cell Division: Mitosis and Meiosis

What is the function of the mitotic spindle formed by the centrosome?

Essential for the movement of chromosomes during cell division.

p.45
Cell Life Cycle

What type of cells are sex cells in terms of chromosome number?

Haploid cells containing half of the full set of 46 chromosomes.

p.14
Membrane Transport Mechanisms

What energy source is required for endocytosis?

ATP.

p.10
Membrane Transport Mechanisms

What happens in a hypertonic solution?

Water comes out from the cell to the solution.

p.42
Protein Synthesis Process

What is the role of DNA ligase in DNA replication?

Joins the short segments of DNA together.

p.12
Membrane Transport Mechanisms

What type of energy is used in primary active transport?

ATP (adenosine triphosphate).

p.32
Protein Synthesis Process

What is the primary function of mRNA?

To serve as a template for protein synthesis.

p.64
Types of Tissues

What is the primary function of nervous tissue?

To transmit information from one part of the body to another by means of nerve impulses.

p.55
Types of Tissues

Can you name examples of serous membranes?

Pleura, pericardium, and peritoneum.

p.13
Membrane Transport Mechanisms

What is an example of secondary active transport?

Sodium-glucose transporters.

p.59
Types of Tissues

What is the primary function of fluid connective tissue?

To transport oxygen from lungs to body cells.

p.27
Cell Division: Mitosis and Meiosis

What do chromatin fibers condense to form during cell division?

Chromosomes.

p.28
Protein Synthesis Process

What is protein synthesis?

The process by which cells generate new proteins.

p.61
Types of Tissues

What types of cells are produced in red bone marrow?

Red blood cells, white blood cells, and platelets.

p.12
Membrane Transport Mechanisms

Is energy required for primary active transport?

Yes, energy is required.

p.67
Membrane Transport Mechanisms

What is the focus of the video titled 'Passive Transport'?

It explains the process of passive transport in cells.

p.49
Types of Tissues

Which tissue type provides support and structure?

Connective tissue.

p.35
Protein Synthesis Process

What is translation in the context of protein synthesis?

The synthesis of a linear chain of amino acids using the transcribed information provided by the mRNA.

p.49
Types of Tissues

What type of tissue is involved in communication within the body?

Nervous tissue.

p.44
Cell Division: Mitosis and Meiosis

What occurs during early prophase?

Centrioles are pushed apart to each pole by spindle fibers, and the nuclear envelope breaks down.

p.36
Protein Synthesis Process

What is the role of tRNA in protein synthesis?

tRNA transports amino acids to the ribosome for protein synthesis.

p.8
Plasma Membrane Functions

What is the primary process through which diffusion occurs in the body?

Across the lipid bilayer.

p.8
Plasma Membrane Functions

Where does the exchange of gases occur between blood and air?

Within the lungs.

p.36
Protein Synthesis Process

What is the significance of the genetic code?

The genetic code determines the sequence of amino acids in a protein.

p.3
Plasma Membrane Functions

What is the function of the plasma membrane?

It serves as a sturdy yet flexible outer surface and a selective barrier.

p.16
Cell Anatomy and Structure

What is cytosol?

The intracellular fluid that is the site of many chemical reactions.

p.3
Cell Anatomy and Structure

What is the role of the cytoplasm?

It contains the cytosol and organelles, providing a medium for cellular processes.

p.9
Membrane Transport Mechanisms

In which direction does water move during osmosis?

From an area of higher water concentration to an area of lower water concentration.

p.50
Types of Tissues

What structures do epithelial tissues line?

Hollow organs, body cavities, and ducts.

p.9
Membrane Transport Mechanisms

What type of membrane is involved in osmosis?

A selectively permeable membrane.

p.50
Types of Tissues

What do epithelial tissues form?

Glands and membranes.

p.3
Plasma Membrane Functions

Why is the plasma membrane important in cell communication?

It acts as a selective barrier that facilitates communication between the cell and its environment.

p.9
Membrane Transport Mechanisms

What happens to the permeability of the membrane during osmosis?

The membrane is permeable to water but not to certain solutes.

p.34
Protein Synthesis Process

Where does transcription occur?

In the cell nucleus.

p.15
Membrane Transport Mechanisms

What is phagocytosis?

The process where the cell engulfs large solid molecules like bacteria and dust.

p.15
Membrane Transport Mechanisms

What is the vesicle formed during phagocytosis called?

Phagosome.

p.25
Organelles and Their Functions

Where can ribosomes be found?

Free in the cytosol or attached to rough ER.

p.58
Types of Tissues

What are dense connective tissues primarily composed of?

Collagenous tissues.

p.56
Types of Tissues

What materials are found between cells in connective tissue?

Extracellular matrix.

p.19
Organelles and Their Functions

What shape do mitochondria have?

Rod-like.

p.25
Organelles and Their Functions

What is the high content found in ribosomes?

Ribosomal RNA (rRNA).

p.63
Types of Tissues

Which muscle tissue is found in the heart?

Cardiac muscle.

p.60
Types of Tissues

What are the main characteristics of cartilage?

Strong, flexible, and avascular.

p.1
Cell Anatomy and Structure

What is the primary focus of cell anatomy?

Understanding the structural features that enable the cell to perform its functions.

p.19
Organelles and Their Functions

What surrounds the mitochondria?

A double membrane.

p.33
Protein Synthesis Process

What controls cell structure and function?

The DNA of the nucleus through synthesis of specific proteins.

p.42
Cell Life Cycle

What enzyme unwinds the DNA helix during replication?

Helicases.

p.15
Membrane Transport Mechanisms

What is pinocytosis?

The process where tiny droplets of extracellular fluid are taken up by the cell.

p.56
Types of Tissues

Which types of connective tissue provide support and bind structures together?

Bone, cartilage, ligament, and tendon.

p.55
Types of Tissues

What do membranes in the body line and cover?

Body cavities and internal organs (viscera).

p.25
Organelles and Their Functions

How many tRNA binding sites do ribosomes contain?

2 tRNA binding sites.

p.57
Types of Tissues

What do loose connective tissues surround and support?

Blood vessels and nerves.

p.58
Types of Tissues

What is one of the primary functions of dense connective tissues?

To connect, provide strength and support.

p.8
Membrane Transport Mechanisms

What are 'gated' channels?

Channels that open in one direction to allow movement and close in another direction.

p.20
Organelles and Their Functions

What are the main functions of the Golgi Apparatus?

Synthesis of carbohydrates, packaging, modifying, and segregating proteins.

p.62
Types of Tissues

What are the three types of contractile cells in muscle tissue?

Skeletal muscle cell, smooth muscle cell, and cardiac muscle cell.

p.58
Types of Tissues

What ability do dense connective tissues have regarding extension and recoil?

They can tolerate cycles of extension and recoil.

p.58
Types of Tissues

Give an example of where dense connective tissues can be found.

In the lung and blood vessels.

p.11
Membrane Transport Mechanisms

What role do carrier proteins play in facilitated diffusion?

They assist specific substances in crossing the membrane by binding to them.

p.48
Types of Tissues

What are tissues?

Groups of cells that work together to perform a specific function.

p.25
Protein Synthesis Process

What is the primary function of ribosomes?

Site of protein synthesis.

p.48
Types of Tissues

What are the four primary types of tissues in the human body?

Epithelial, connective, muscle, and nervous tissues.

p.43
Cell Division: Mitosis and Meiosis

How many sub-phases does mitosis consist of?

Four sub-phases.

p.48
Types of Tissues

What is the main function of epithelial tissue?

To cover and protect surfaces, both inside and outside the body.

p.18
Organelles and Their Functions

What are the two forms of Endoplasmic Reticulum?

Smooth ER and Rough ER.

p.13
Membrane Transport Mechanisms

What is a characteristic of substances transported in secondary active transport?

Another substance gets a 'free ride'.

p.2
Cell Life Cycle

How are all cells created?

By cell division.

p.11
Membrane Transport Mechanisms

What types of substances cannot diffuse through the lipid bilayer?

Substances that cannot diffuse through the lipid bilayer or ion channels.

p.38
Protein Synthesis Process

How does tRNA recognize the correct amino acid?

tRNA has an anticodon that pairs with the corresponding codon on mRNA.

p.26
Organelles and Their Functions

What does the nucleus contain?

Fluid nucleoplasm, nucleoli, and chromatin.

p.38
Protein Synthesis Process

What is the structure of tRNA?

tRNA has a cloverleaf shape with an amino acid attachment site.

p.26
Organelles and Their Functions

What is the primary function of the nucleus?

It acts as the control center of a cell.

p.14
Membrane Transport Mechanisms

What do nerve cells release through exocytosis?

Neurotransmitters.

p.18
Organelles and Their Functions

How are proteins transported from Rough ER?

They are bound in vesicles for transport to the Golgi apparatus.

p.49
Types of Tissues

What type of tissue is responsible for movement?

Muscle tissue.

p.21
Organelles and Their Functions

How do lysosomes form?

They form from the Golgi apparatus.

p.26
Organelles and Their Functions

What is the function of the nuclear envelope?

It separates the nucleoplasm from the cytoplasm and regulates the passage of substances to and from the nucleus.

p.21
Organelles and Their Functions

What is one of the primary functions of lysosomes?

To break down a wide variety of molecules.

p.51
Types of Tissues

What characterizes stratified epithelial tissue?

It consists of multiple layers of cells.

p.6
Membrane Transport Mechanisms

What is the difference between passive and active transport?

Passive transport does not require energy, while active transport requires energy to move substances against their concentration gradient.

p.61
Types of Tissues

What role does bone play in movement?

Provides leverage for muscles and assists in movement.

p.67
Protein Synthesis Process

What does the video on 'Transcription' explain?

It details the process of transcription in protein synthesis.

p.28
Protein Synthesis Process

What is the significance of packaging, processing, and secretion in cells?

To modify and transport proteins and lipids to their destinations.

p.51
Types of Tissues

What type of epithelial tissue is found in areas subject to abrasion?

Stratified squamous epithelium.

p.51
Protein Synthesis Process

What is the role of tRNA in protein synthesis?

tRNA transports amino acids to the ribosome during translation.

p.51
Protein Synthesis Process

How does tRNA recognize the correct amino acid?

By its anticodon, which pairs with the corresponding codon on mRNA.

p.67
Cell Division: Mitosis and Meiosis

What does the video 'Overview of cell division' explain?

It provides a general overview of the cell division process.

p.25
Organelles and Their Functions

What is one location where ribosomes are found besides the cytosol?

Within the mitochondria.

p.22
Organelles and Their Functions

How are the centrioles arranged within the centrosome?

At right angles to each other.

p.33
Protein Synthesis Process

Where does protein synthesis occur?

In the cytoplasm.

p.55
Types of Tissues

What is the cutaneous membrane?

The skin, which is the largest membrane in the body.

p.42
Protein Synthesis Process

What does DNA polymerase do during replication?

Reads the exposed nitrogenous bases and assembles the new strand with complementary bases.

p.22
Organelles and Their Functions

What structures do centrioles form at the base of cilia and flagella?

Basal bodies.

p.42
Protein Synthesis Process

What are RNA primers used for in DNA replication?

To initiate the assembly of the new DNA strand.

p.32
Protein Synthesis Process

Where is Messenger RNA (mRNA) formed?

In the nucleus.

p.11
Membrane Transport Mechanisms

Give an example of facilitated diffusion.

Transport of glucose into the cells.

p.38
Protein Synthesis Process

What is the role of tRNA in protein synthesis?

tRNA transports amino acids to the ribosome for protein assembly.

p.27
Organelles and Their Functions

What structure do histones help to form?

Nucleosomes.

p.6
Membrane Transport Mechanisms

How do substances move during passive transport?

Down their concentration or electrical gradient.

p.48
Types of Tissues

What is the function of nervous tissue?

To transmit signals and process information throughout the body.

p.28
Cell Division: Mitosis and Meiosis

What is the purpose of cell division?

To produce new cells for growth, repair, and reproduction.

p.18
Organelles and Their Functions

What is one of the main functions of Rough ER?

Involved in protein synthesis and attaching sugar groups to proteins.

p.12
Membrane Transport Mechanisms

What is the role of the ionic pump in primary active transport?

To move ions against the concentration gradient.

p.54
Types of Tissues

What are the two main types of glands in glandular epithelium?

Endocrine and Exocrine glands.

p.28
Protein Synthesis Process

What are the main steps in protein synthesis?

Transcription and translation.

p.52
Types of Tissues

What is one function of simple epithelial tissue?

Reduce friction.

p.31
Gene Mutation and Its Effects

What are the main components of nucleic acids?

Carbon, hydrogen, oxygen, nitrogen, and phosphorus.

p.10
Membrane Transport Mechanisms

How does water movement depend on the cell's environment?

Water moves in and out depending on whether the environment is isotonic, hypotonic, or hypertonic.

p.61
Types of Tissues

What is yellow bone marrow primarily composed of?

Adipose cells that store triglycerides.

p.2
Cellular Metabolism

What is homeostasis at the cellular level?

Each cell maintains a stable internal environment.

p.67
Protein Synthesis Process

What is the main topic of the video 'Overview of DNA & RNA'?

It provides an overview of the structures and functions of DNA and RNA.

p.49
Types of Tissues

What type of tissue stores fat?

Adipose tissue.

p.35
Protein Synthesis Process

What specifies each amino acid in a protein?

Three nitrogen bases in the DNA sequences called a codon.

p.37
Gene Mutation and Its Effects

What is deletion in the context of gene mutation?

A base is missing from the DNA sequence.

p.35
Protein Synthesis Process

What is the relationship between mRNA codon and tRNA anticodon?

Base pair complementation occurs between mRNA codon and tRNA anticodon.

p.35
Protein Synthesis Process

What happens during peptide bond formation?

Peptide bonds form between the amino acids that the tRNAs brought within the ribosome.

p.5
Plasma Membrane Functions

What role do receptors in the plasma membrane play?

They allow the cell to recognize and respond to the environment.

p.37
Gene Mutation and Its Effects

What is an example of substitution?

AGTCTGC ➔ AGGCTGC.

p.45
Cell Life Cycle

How many cells are produced at the end of meiosis?

Four genetically unique cells.

p.60
Types of Tissues

How many types of cartilage are there?

Three types.

p.55
Types of Tissues

What is a characteristic of the cutaneous membrane?

It is dry.

p.12
Membrane Transport Mechanisms

What is primary active transport?

Movement of molecules from a low concentration area to a high concentration area using an ionic pump that requires ATP.

p.30
Cellular Metabolism

How many ATP molecules can the three steps of cellular respiration produce?

Up to 38 ATP molecules.

p.10
Membrane Transport Mechanisms

What is the concentration of solute particles in a hypertonic solution compared to a cell?

Greater than the concentration in a cell.

p.45
Cell Life Cycle

In which system is the detailed process of meiosis discussed?

The reproductive system.

p.26
Organelles and Their Functions

How many nuclei do most cells have?

Most cells have a single nucleus, except mature red blood cells and skeletal muscle cells.

p.70
Protein Synthesis Process

What is the role of tRNA in the translation process?

tRNA transports amino acids to the ribosome for protein synthesis.

p.41
Cell Life Cycle

What happens during the G1 Phase of Interphase?

Organelle duplication and protein synthesis occur.

p.70
Protein Synthesis Process

How does tRNA recognize the correct amino acid?

tRNA has an anticodon that pairs with the corresponding codon on the mRNA.

p.61
Types of Tissues

What is hemopoiesis?

The process of blood cell formation in red bone marrow.

p.64
Types of Tissues

What does the cell body of a neuron contain?

The nucleus and other organelles.

p.6
Membrane Transport Mechanisms

What is active transport?

The movement of ions or molecules from a region of low concentration to a region of high concentration, requiring energy.

p.64
Types of Tissues

What is the function of dendrites in a neuron?

To receive inputs.

p.32
Protein Synthesis Process

What is the function of tRNA in protein synthesis?

Transfers specific amino acids to ribosomes and ensures their proper alignment.

p.59
Types of Tissues

What components make up fluid connective tissue?

Red blood cells, white blood cells, and platelets.

p.32
Protein Synthesis Process

What is an anticodon?

A sequence of three bases on tRNA that pairs with the corresponding codon on mRNA.

p.17
Organelles and Their Functions

What are centrioles?

Cylindrical structures that help in cell division.

p.21
Organelles and Their Functions

What role do lysosomes play in cellular maintenance?

They help recycle worn-out cell structures.

p.53
Types of Tissues

In which glands can stratified epithelial tissue be found?

In the ducts of sweat glands and esophageal glands.

p.49
Types of Tissues

What is the function of epithelial tissue?

To cover and protect surfaces.

p.67
Protein Synthesis Process

What is the focus of the video 'From DNA to Protein'?

It explains the process of translating genetic information into proteins.

p.37
Gene Mutation and Its Effects

What is an example of deletion?

AGTCTGC ➔ AGCTGC.

p.37
Gene Mutation and Its Effects

What is addition in gene mutation?

An extra base is added to the DNA sequence.

p.52
Types of Tissues

What does simple epithelial tissue secrete to trap foreign particles?

Mucus.

p.37
Gene Mutation and Its Effects

What are the possible effects of gene mutations on proteins?

They may be beneficial, harmful, or have no effect at all.

p.11
Membrane Transport Mechanisms

What happens to a substance during facilitated diffusion?

It binds to a specific transporter on one side of the membrane and is released on the other side after the transporter changes shape.

p.57
Types of Tissues

What do loose connective tissues store?

Lipids.

p.2
Cell Anatomy and Structure

What are cells?

The basic structural and functional units of all living organisms.

p.57
Types of Tissues

What route do loose connective tissues provide?

A route for diffusion of materials.

p.14
Membrane Transport Mechanisms

What are the three types of endocytosis?

Pinocytosis, Phagocytosis, and Receptor-mediated endocytosis.

p.40
Cell Division: Mitosis and Meiosis

How many pairs of chromosomes do diploid cells have?

23 pairs of chromosomes (n=46).

p.55
Types of Tissues

What is the function of serous membranes?

They cover organs and line the walls of body cavities.

p.40
Cell Division: Mitosis and Meiosis

What is reproductive cell division?

A two-step division process called Meiosis.

p.24
Cell Anatomy and Structure

What is the role of microfilaments in the cytoskeleton?

Assist movement and provide support.

p.27
Organelles and Their Functions

What happens to nucleosomes to form chromatin fibers?

Nucleosomes can be further folded.

p.6
Membrane Transport Mechanisms

What are examples of passive transport?

Simple diffusion, facilitated diffusion, and osmosis.

p.51
Types of Tissues

What is the primary function of epithelial tissue?

To cover and protect surfaces, both inside and outside the body.

p.53
Types of Tissues

What role does stratified epithelial tissue play in the body?

It forms the first line of defense against microbes.

p.70
Protein Synthesis Process

What is the structure of tRNA?

tRNA has a cloverleaf shape with an amino acid attachment site and an anticodon.

p.38
Protein Synthesis Process

What is the significance of tRNA in the translation process?

tRNA ensures that the correct amino acids are added in the proper sequence.

p.10
Membrane Transport Mechanisms

What is tonicity?

The ability of a solution to affect the fluid volume or pressure in a cell.

p.17
Organelles and Their Functions

What is the function of the centrosome?

It organizes microtubules and is involved in cell division.

p.2
Cell Life Cycle

How do somatic cells reproduce?

By mitosis.

p.67
Membrane Transport Mechanisms

What does the video 'Cell Biology: Active Transport' cover?

It discusses the mechanisms and processes involved in active transport.

p.53
Types of Tissues

What are the functions of transitional epithelial tissue?

Protection and limited secretion and absorption.

p.37
Gene Mutation and Its Effects

How can a change in DNA sequence affect mRNA?

It can lead to a subsequent change in the mRNA sequence.

p.54
Types of Tissues

Can you give examples of exocrine gland secretions?

Sweat, tears, saliva, and digestive enzymes.

p.52
Types of Tissues

What is the role of simple epithelial tissue in the stomach and intestines?

Secretion and absorption.

p.21
Organelles and Their Functions

Where are peroxisomes abundant in the body?

In the liver and kidney.

p.21
Organelles and Their Functions

What is one function of peroxisomes in mitochondria?

To decompose fatty acids to generate energy for ATP synthesis.

p.37
Gene Mutation and Its Effects

What types of effects can gene mutations have?

Positive, negative, or neutral.

p.18
Organelles and Their Functions

What is the Endoplasmic Reticulum (ER)?

A system of interconnected channels extending from the nuclear membrane throughout the cytoplasm.

p.58
Types of Tissues

What is an example of a structure that dense connective tissues support?

Tendons.

p.13
Membrane Transport Mechanisms

How does a carrier protein function in secondary active transport?

It can move another substance at the same time as facilitated diffusion, regardless of its concentration gradient.

p.1
Types of Tissues

What is the role of different types of tissues?

To perform specific functions within the body.

p.48
Types of Tissues

What role does connective tissue play in the body?

It supports, binds together, and protects tissues and organs.

p.28
Cell Life Cycle

What is the cell cycle?

The series of events that take place in a cell leading to its division and duplication.

p.41
Cell Life Cycle

What occurs during the G0 Phase of Interphase?

It is a resting phase.

p.53
Types of Tissues

Where is stratified epithelial tissue found?

In the skin surface, linings of the mouth, throat, esophagus, rectum, and vagina.

p.32
Protein Synthesis Process

What role does Ribosomal RNA (rRNA) play?

Involved in the synthesis of peptides in the ribosomes.

p.53
Types of Tissues

What is the primary function of stratified epithelial tissue?

To protect against abrasion, water loss, ultraviolet radiation, and foreign invasion.

p.54
Types of Tissues

What is glandular epithelium?

Epithelium found in cells or organs that secrete substances for use in other body parts.

p.13
Membrane Transport Mechanisms

What energy source is needed in the Na+ - K+ pump?

Energy is needed to pump out sodium.

p.24
Cell Anatomy and Structure

What is the function of microtubules?

Determine cell shapes and help with organelle movement.

p.26
Organelles and Their Functions

What role does the nucleus play in genetic information?

It stores and processes genetic information and provides instructions for protein synthesis.

p.2
Cell Anatomy and Structure

What are examples of sex cells?

Male sperm and female oocyte.

p.51
Types of Tissues

What characterizes simple epithelial tissue?

It consists of a single layer of cells.

p.4
Plasma Membrane Functions

What are the functions of proteins in the plasma membrane?

They act as receptors, are involved in second messenger systems, and function as enzymes, carriers, channel proteins, cell markers, and adhesion molecules.

p.5
Plasma Membrane Functions

What is one of the primary functions of the plasma membrane?

Structural support.

p.59
Types of Tissues

Where is lymph found?

In the connective tissue of almost all organs and in lymphatic ducts and nodules.

p.54
Types of Tissues

How do exocrine glands release their secretions?

Through ducts that bring secretion to the surface.

p.17
Organelles and Their Functions

What is the role of the cytoskeleton?

It provides structural support and facilitates cell movement.

p.21
Organelles and Their Functions

What is the function of peroxisomes?

To neutralize toxic compounds and break down fats and other organic compounds.

p.17
Organelles and Their Functions

What are cilia and flagella used for?

They are used for movement of the cell or movement of substances across the cell surface.

p.54
Types of Tissues

Where do exocrine glands release their secretions?

To the body surface or into the cavity or lumen of another organ.

p.69
Cell Anatomy and Structure

What is the role of the nucleus in a cell?

To store genetic material and control cell activities.

p.69
Cell Anatomy and Structure

What structure provides support and shape to plant cells?

Cell wall.

p.69
Organelles and Their Functions

What is the function of the endoplasmic reticulum?

To synthesize proteins and lipids.

p.17
Organelles and Their Functions

What is the function of mitochondria?

They produce energy in the form of ATP through cellular respiration.

p.31
Gene Mutation and Its Effects

What is the function of RNA?

Relays instructions from the genes to transcribe amino acids.

p.40
Cell Division: Mitosis and Meiosis

What is somatic cell division?

Any cell of the body except sex cells that undergoes nuclear division (Mitosis) and cytoplasmic division (Cytokinesis).

p.19
Organelles and Their Functions

How many mitochondria can a cell have?

Thousands, depending on its activity.

p.60
Types of Tissues

What are the three types of cartilage?

Hyaline cartilage, elastic cartilage, and fibrocartilage.

p.55
Types of Tissues

What do mucous membranes line?

All body cavities that open to the outside, such as the digestive, respiratory, and urogenital tracts.

p.26
Organelles and Their Functions

What is the most prominent feature of a cell?

The nucleus.

p.6
Membrane Transport Mechanisms

What is passive transport?

A process that requires no energy for molecules movement across the membrane.

p.48
Types of Tissues

What is the primary function of muscle tissue?

To facilitate movement through contraction.

p.4
Plasma Membrane Functions

What percentage of the plasma membrane is made up of phospholipids?

Approximately 75-98%.

p.18
Organelles and Their Functions

What distinguishes Rough ER from Smooth ER?

Rough ER is covered with ribosomes.

p.10
Membrane Transport Mechanisms

What happens in a hypotonic solution?

Water comes into the cell.

p.2
Cell Anatomy and Structure

What are the two main types of cells in the human body?

Sex cells (germ cells) and somatic cells.

p.38
Protein Synthesis Process

What happens to tRNA after it delivers its amino acid?

tRNA is released and can be recharged with another amino acid.

p.10
Membrane Transport Mechanisms

What is the osmolarity of body fluids?

~300 mOsm/L.

p.27
Cellular Metabolism

What processes does chromatin facilitate?

DNA replication, transcription, and cell division.

p.6
Membrane Transport Mechanisms

What energy source is required for active transport?

ATP.

p.61
Types of Tissues

What minerals are stored in bone?

Calcium and phosphate.

p.53
Types of Tissues

What is a characteristic feature of transitional epithelial tissue?

It has a variable appearance and is subject to expansion.

p.44
Cell Division: Mitosis and Meiosis

What are the identical strands in a chromosome called?

Chromatids.

p.64
Types of Tissues

What are the supporting cells of neurons called?

Neuroglia.

p.70
Protein Synthesis Process

What occurs during the elongation phase of translation?

Amino acids are added one by one to the growing polypeptide chain as tRNAs bring them to the ribosome.

p.59
Types of Tissues

What type of tissue is diffuse lymphatic tissue?

A type of lymph found in connective tissue.

p.5
Plasma Membrane Functions

How do transporters (carriers) function in the plasma membrane?

They change shape to move a substance from one side of the membrane to the other.

p.44
Cell Division: Mitosis and Meiosis

What is the main event during metaphase?

Centromeres split, and sister chromatids are separated and move toward opposite poles.

p.5
Plasma Membrane Functions

Which substances can easily permeate the plasma membrane?

Water and most lipid-soluble molecules.

p.5
Plasma Membrane Functions

What types of molecules are not permeable to the plasma membrane?

Ions and charged/polar molecules.

p.35
Protein Synthesis Process

What does the ribosome do during translation?

The ribosome translocates to another codon along the mRNA and continues the amino acid chain synthesis.

p.17
Organelles and Their Functions

What do lysosomes contain?

Digestive enzymes for breaking down waste materials.

p.33
Protein Synthesis Process

What is the sequence of events in protein synthesis?

DNA ➔ RNA ➔ Protein.

p.2
Cell Anatomy and Structure

What elements primarily form cells?

Carbon, oxygen, hydrogen, and nitrogen.

p.27
Organelles and Their Functions

What are the primary protein components of chromatin?

Histones.

p.24
Cell Anatomy and Structure

What are the three structures that make up the cytoskeleton?

Microfilaments, intermediate filaments, and microtubules.

p.10
Membrane Transport Mechanisms

What occurs when two environments are isotonic?

The concentration of solutes is the same in both, with no net gain or loss of water from the cell.

p.28
Cell Life Cycle

What are the main phases of the cell cycle?

Interphase and mitotic phase.

p.61
Types of Tissues

What are the primary functions of bone?

Protection, support, blood cell formation, mineral and lipid storage, leverage for muscles.

p.4
Plasma Membrane Functions

What are the characteristics of the polar heads and non-polar tails of phospholipids?

Polar heads are hydrophilic and attracted to water; non-polar tails are hydrophobic and avoid water.

p.32
Protein Synthesis Process

Where is Transfer RNA (tRNA) found?

In the cytoplasm.

p.4
Plasma Membrane Functions

What role do glycolipids play in the plasma membrane?

They protect the membrane from injury, enable immune recognition, assist in compatibility for transfusions and transplants, allow cell adhesion, and guide embryonic cells.

p.2
Cell Life Cycle

How do sex cells reproduce?

By meiosis.

p.59
Types of Tissues

What additional functions does fluid connective tissue serve?

Transports nutrients and hormones, regulates body temperature, aids in body defense, and prevents excessive blood loss from injury.

p.70
Protein Synthesis Process

What happens during the initiation phase of translation?

The ribosome assembles around the mRNA and the first tRNA binds to the start codon.

p.27
Cell Division: Mitosis and Meiosis

What is a chromatid?

One half of a duplicated chromosome.

p.6
Membrane Transport Mechanisms

What is vesicular transport?

A type of active transport involving the movement of materials in vesicles.

p.37
Gene Mutation and Its Effects

What is a gene mutation?

A change in the order of the nitrogen bases (A, C, G, T) that makes up the genes.

p.28
Cellular Metabolism

What is the role of cellular respiration?

To convert biochemical energy from nutrients into ATP.

p.35
Protein Synthesis Process

Where does translation occur?

In the cytoplasm.

p.69
Protein Synthesis Process

What is the function of ribosomes in a cell?

Protein synthesis.

p.37
Gene Mutation and Its Effects

What can an altered mRNA sequence lead to?

A change in the amino acid sequence, potentially altering protein structure and function.

p.69
Cell Anatomy and Structure

What is the jelly-like substance inside a cell called?

Cytoplasm.

p.17
Organelles and Their Functions

What is the function of microvilli?

They increase the surface area for absorption.

p.17
Organelles and Their Functions

What is the primary function of ribosomes?

They synthesize proteins.

p.17
Organelles and Their Functions

What is the role of the endoplasmic reticulum?

It is involved in protein and lipid synthesis.

p.17
Organelles and Their Functions

What does the Golgi apparatus do?

It modifies, sorts, and packages proteins and lipids for secretion.

p.31
Gene Mutation and Its Effects

What is the structure of RNA?

A single strand of nucleotides.

p.24
Cell Anatomy and Structure

What are the main functions of the cytoskeleton?

Support cell shape, organize contents, direct movements within the cell, and contribute to cell movement.

p.41
Cell Life Cycle

What are the four phases of Interphase in the cell cycle?

G0 Phase, G1 Phase, S Phase, G2 Phase.

p.4
Plasma Membrane Functions

What is the plasma membrane?

A semipermeable lipid bilayer found outside the cytoplasm of a cell that surrounds the inner contents.

p.61
Types of Tissues

What is the hardest form of connective tissue?

Bone.

p.33
Protein Synthesis Process

What is Translation in protein synthesis?

The process of assembling functional polypeptides from RNA.

p.2
Cell Life Cycle

What happens to cells after division?

They differentiate into different cell types for their purpose.

p.12
Membrane Transport Mechanisms

What are some examples of molecules transported by primary active transport?

Na+, K+, Ca2+, amino acids, monosaccharides.

p.14
Membrane Transport Mechanisms

What do secretory cells release through exocytosis?

Digestive enzymes, hormones, mucus, or other secretions.

p.49
Types of Tissues

Name three types of body tissues.

Blood, bone, and epithelial tissue.

p.52
Types of Tissues

Where is simple epithelial tissue found?

In the heart, blood, and lymphatic vessels linings.

p.51
Types of Tissues

What are the two main types of epithelial tissue?

Simple and stratified epithelial tissue.

p.4
Plasma Membrane Functions

What is the function of cholesterol in the plasma membrane?

It holds the phospholipids together and stiffens the membrane.

p.18
Organelles and Their Functions

What does the external face of Rough ER synthesize?

Phospholipids.

p.69
Plasma Membrane Functions

What structure controls the movement of substances in and out of a cell?

The plasma membrane.

p.70
Protein Synthesis Process

What is the significance of the anticodon in tRNA?

The anticodon ensures that the correct amino acid is added to the growing polypeptide chain.

p.26
Organelles and Their Functions

What constitutes the genes in the nucleus?

Chromatin, which is made up of DNA.

p.32
Protein Synthesis Process

What is the relationship between anticodons and amino acids?

Anticodons help transfer specific amino acids to the ribosomes during protein synthesis.

p.28
Cellular Metabolism

What is the end product of cellular respiration?

ATP (adenosine triphosphate).

p.70
Protein Synthesis Process

What is the termination phase of translation?

Translation ends when a stop codon is reached, releasing the completed polypeptide.

p.53
Types of Tissues

What is the function of stratified epithelial tissue in the male urethra?

Protection and secretion.

p.31
Gene Mutation and Its Effects

What is the structure of DNA?

A long double helix chain of nucleotides.

p.67
Cell Life Cycle

What does the video 'DNA Replication' cover?

It discusses the process of DNA replication.

p.67
Cell Division: Mitosis and Meiosis

What is the main topic of the video 'M phase of the cell cycle'?

It focuses on the M phase, which includes mitosis and cytokinesis.

p.37
Gene Mutation and Its Effects

What is an example of addition?

AGTCTGC ➔ AGTCGTGC.

p.5
Plasma Membrane Functions

How does the plasma membrane contribute to cellular communication?

It receives chemical signals from other cells to activate or deactivate cellular activities.

p.17
Organelles and Their Functions

What is the role of peroxisomes?

They break down fatty acids and detoxify harmful substances.

p.41
Cell Life Cycle

What processes occur during the G2 Phase of Interphase?

Cell continues growing, makes more organelles, finishes replicating centrioles, synthesizes enzymes for cell division, and checks DNA for errors.

p.53
Types of Tissues

Where can transitional epithelial tissue be found?

In the urinary tract, including the bladder.

p.54
Types of Tissues

How do endocrine glands function?

They have no ducts and secrete directly into the blood.

p.28
Cellular Metabolism

What is cellular metabolism?

The set of life-sustaining chemical reactions in organisms.

p.52
Types of Tissues

What does simple epithelial tissue control?

Vessel permeability.

p.31
Gene Mutation and Its Effects

What are the monomers of nucleic acids?

Nucleotides.

p.52
Types of Tissues

What processes does simple epithelial tissue perform?

Diffusion and secretion.

p.51
Types of Tissues

What are the different shapes of epithelial cells?

Squamous, cuboidal, and columnar.

p.2
Cell Anatomy and Structure

What criteria are used to classify cells?

By size, shape, and function.

p.61
Types of Tissues

How does bone contribute to body balance?

By providing structural support.

p.21
Organelles and Their Functions

How are peroxisomes structurally different from lysosomes?

Peroxisomes are structurally similar to lysosomes but are smaller.

p.49
Types of Tissues

What type of tissue is cartilage?

A type of connective tissue.

p.31
Gene Mutation and Its Effects

What is complementary base pairing in DNA?

A pairs with T, and G pairs with C.

p.31
Gene Mutation and Its Effects

What does DNA form in human cells?

The inherited genetic material.

p.31
Gene Mutation and Its Effects

What are the nitrogen bases found in RNA?

Adenine (A), Uracil (U), Guanine (G), Cytosine (C).

p.69
Organelles and Their Functions

What organelle is responsible for energy production in eukaryotic cells?

Mitochondria.

p.5
Plasma Membrane Functions

What do pores in the plasma membrane do?

Allow substances to move in and out.

p.31
Gene Mutation and Its Effects

What sugars are found in nucleotides?

Deoxyribose and ribose.

p.52
Types of Tissues

Where is simple epithelial tissue located in glands?

In the secreting portion of the thyroid gland and ducts of the pancreas.

p.51
Types of Tissues

What type of epithelial tissue is specialized for absorption?

Simple columnar epithelium.

p.5
Plasma Membrane Functions

What is selective permeability in the context of the plasma membrane?

It allows some substances to enter or exit the cell while restricting others.

p.52
Types of Tissues

What type of simple epithelial tissue lines the nasal cavity, trachea, and bronchi?

Ciliated simple epithelial tissue.

p.52
Types of Tissues

What is the function of cilia in simple epithelial tissue?

Sweep away mucus for elimination from the body.

p.44
Cell Division: Mitosis and Meiosis

What follows telophase in the process of mitosis?

Cytokinesis occurs, splitting the cytosol and organelles to form two identical daughter cells.

p.31
Gene Mutation and Its Effects

What is a gene?

A segment of a DNA molecule.

p.37
Gene Mutation and Its Effects

What is substitution in gene mutation?

One base is replaced by another base.

p.17
Organelles and Their Functions

What distinguishes membranous organelles from non-membranous organelles?

Membranous organelles are surrounded by a membrane, while non-membranous organelles are not.

p.44
Cell Division: Mitosis and Meiosis

What happens to the chromatids during late prophase?

They align at the center of the spindle fibers, attached by their centromeres.

p.31
Gene Mutation and Its Effects

What are the nitrogen bases found in DNA?

Adenine (A), Thymine (T), Guanine (G), Cytosine (C).

p.35
Protein Synthesis Process

What role do tRNAs play in translation?

tRNAs with matched anti-codon bring the specific amino acid to the ribosome to start the translation process.

p.44
Cell Division: Mitosis and Meiosis

What occurs during anaphase?

Chromatids become chromosomes and move to opposite ends of the cell.

p.44
Cell Division: Mitosis and Meiosis

What happens during telophase?

Chromosomes uncoil, the nuclear envelope reforms, and nucleoli reappear.

p.52
Types of Tissues

What is a characteristic of non-ciliated simple epithelial tissue?

Lines large ducts, epididymis, and part of the male urethra.

p.5
Plasma Membrane Functions

What is the physical barrier provided by the plasma membrane?

It separates the inside of the cell from the surrounding extracellular fluid.

p.35
Protein Synthesis Process

What happens to the amino acid chain after synthesis?

The completed amino acid chain is released.

p.5
Plasma Membrane Functions

What does the plasma membrane protect?

Cellular organelles.

Study Smarter, Not Harder
Study Smarter, Not Harder