12 Questions
What is the main function of the bacterial cell wall?
To protect the plasma membrane from adverse changes
Why is the cell wall important clinically?
It contributes to the ability of some species to cause disease
What is the composition of the bacterial cell wall used for?
To differentiate major types of bacteria
Which structure does the cell wall serve as a point of anchorage for?
Flagella
What is the main function of the Peptidoglycan in the bacterial cell wall?
To maintain the shape of the bacterium and serve as an anchorage for flagella
Which type of bacteria has a thicker layer of Peptidoglycan in its cell wall?
Gram-positive bacteria
What happens to the plasma membrane and cell wall of a bacterial cell as its volume increases?
They extend as needed
What is the significance of the cell wall in relation to disease-causing ability of bacteria?
It is important for preventing bacterial cells from rupturing
What is the primary role of the cell wall in preventing bacterial cells from rupturing?
To protect the fragile plasma membrane from adverse changes in the external environment
Which component of the bacterial cell wall is used to differentiate major types of bacteria based on their chemical composition?
Peptidoglycan
In Gram staining, why do Gram-positive bacteria appear blue-black or purple after being treated with acetone or alcohol?
Due to their relatively thick layer of Peptidoglycan
What is the site of action of some antibiotics in bacterial cells?
Peptidoglycan layer
Test your knowledge of the structure and function of bacterial cell walls, including the composition, types, and functions of this important feature of prokaryotic cells.
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