p.12
MreB Protein Structure and Function
What function does the MreB protein serve in prokaryotic cells?
It makes cells rod-shaped so they can swim.
p.5
Structural Molecules in Cells
What is the function of the cytoskeleton in cells?
It provides structural support, similar to how a skeleton supports a body.
p.11
Functions of Prokaryotic Cytoskeleton
What is the function of the E. coli cytoskeleton?
It provides structural support, helps maintain cell shape, and is involved in cell division and intracellular transport.
p.2
Functions of Prokaryotic Cytoskeleton
What is the primary function of the prokaryotic cytoskeleton?
The prokaryotic cytoskeleton helps maintain cell shape, aids in cell division, and assists in intracellular transport.
p.4
Structural Molecules in Cells
What is chitin made of?
Chitin is made of N-acetylglucosamine, a derivative of glucose.
p.10
MreB Protein Structure and Function
What is the structure of the MreB protein?
Chains of round proteins.
p.4
Structural Molecules in Cells
What is collagen made of?
Collagen is made of amino acids, primarily glycine, proline, and hydroxyproline.
p.17
Prokaryotic Cell Reproduction Mechanisms
What is the role of the FtsZ protein in prokaryotic cell reproduction?
FtsZ forms a ring at the future site of the septum, initiating cell division by recruiting other proteins to form the division machinery.
p.3
Structural Molecules in Cells
What are the structural molecules found outside animal cells?
Collagen and glycoproteins.
p.15
Crescentin Protein Structure and Function
What role does crescentin play in Caulobacter crescentus?
Crescentin is responsible for maintaining the curved shape of Caulobacter crescentus.
p.9
Functions of Prokaryotic Cytoskeleton
What is one function of the prokaryotic cytoskeleton during cell reproduction?
It moves things during cell reproduction.
p.8
Functions of Prokaryotic Cytoskeleton
How does the prokaryotic cytoskeleton contribute to cell shape?
By providing structural support and determining the cell's form.
p.2
Differences Between Prokaryotic and Eukaryotic Cytoskeletons
How does the prokaryotic cytoskeleton differ from the eukaryotic cytoskeleton?
The prokaryotic cytoskeleton is simpler and consists of fewer types of proteins compared to the more complex and diverse eukaryotic cytoskeleton.
p.17
Overview of Prokaryotic Cytoskeleton
How can proteins, which are small, be used to build a cytoskeleton, which is large?
Proteins can polymerize into long filaments and networks, forming a large cytoskeletal structure.
p.4
Structural Molecules in Cells
What is starch made of?
Starch is made of glucose units, consisting of two types of molecules: amylose and amylopectin.
p.7
Composition of Prokaryotic Cytoskeleton
What are the two types of proteins that can make up the composition of the cytoskeleton?
Chains of round (globular) proteins and bundles of thin (fibrous) proteins.
p.5
Structural Molecules in Cells
What are the structural molecules found inside cells?
Protein fibers that make up the cytoskeleton.
p.11
Differences Between Prokaryotic and Eukaryotic Cytoskeletons
How does the E. coli cytoskeleton differ from the eukaryotic cytoskeleton?
The E. coli cytoskeleton lacks the complex network of microtubules, intermediate filaments, and actin filaments found in eukaryotic cells.
p.15
Role of Cytoskeleton in Cell Shape
What is the significance of the curved shape in Caulobacter crescentus?
The curved shape, maintained by crescentin, is thought to aid in the cell's ability to adhere to surfaces and optimize nutrient absorption.
p.17
Crescentin Protein Structure and Function
What is the role of the Crescentin protein in prokaryotic cells?
Crescentin is involved in maintaining the curved shape of certain bacteria, such as Caulobacter crescentus.
p.2
Crescentin Protein Structure and Function
How does Crescentin contribute to the shape of prokaryotic cells?
Crescentin is responsible for the curved shape of certain bacteria, such as Caulobacter crescentus, by forming a filamentous structure along the inner curvature of the cell.
p.5
Structural Molecules in Cells
What is the cytoskeleton?
A structure found in all cells made of protein fibers.
p.14
Crescentin Protein Structure and Function
What is the structure of the crescentin protein?
Bundles of thin proteins.
p.16
Crescentin Protein Structure and Function
What is the function of the Crescentin protein in Caulobacter crescentus?
It makes cells curved so they can swim.
p.2
MreB Protein Structure and Function
What is the role of the MreB protein in prokaryotic cells?
MreB protein is involved in maintaining the rod shape of certain bacteria and is essential for proper cell wall synthesis.
p.4
Structural Molecules in Cells
What is lactose made of?
Lactose is made of glucose and galactose molecules.
p.6
Structural Molecules in Cells
What is the cytoskeleton composed of?
Biological fibres, which are long polymers found inside Prokaryotic and Eukaryotic cells.
p.8
Functions of Prokaryotic Cytoskeleton
Why is maintaining cell shape important for prokaryotes?
It is crucial for proper cell function and survival.
p.11
MreB Protein Structure and Function
What role does the MreB protein play in E. coli?
It helps maintain the rod shape of the cell and is involved in cell wall synthesis.
p.15
Crescentin Protein Structure and Function
How does crescentin contribute to the shape of Caulobacter crescentus?
Crescentin forms a filamentous structure that supports the inner curvature of the cell, leading to its characteristic crescent shape.
p.17
MreB Protein Structure and Function
What is the function of the MreB protein in prokaryotic cells?
MreB is involved in maintaining cell shape by forming a helical structure underneath the cell membrane.
p.10
MreB Protein Structure and Function
Who described the structure of MreB protein?
Shih and Rothfield (2006).
p.2
Composition of Prokaryotic Cytoskeleton
What are the main components of the prokaryotic cytoskeleton?
The main components of the prokaryotic cytoskeleton include MreB and Crescentin proteins.
p.4
Structural Molecules in Cells
What is cellulose made of?
Cellulose is made of glucose molecules linked together in a linear chain.
p.15
Crescentin Protein Structure and Function
Is crescentin unique to Caulobacter crescentus?
Yes, crescentin is a unique protein found specifically in Caulobacter crescentus.
p.17
Prokaryotic Cell Reproduction Mechanisms
What is the function of the ParM protein in prokaryotic cell reproduction?
ParM is involved in segregating plasmids during cell division by forming filaments that push plasmids to opposite poles of the cell.
