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Prokaryotic Cell Structure: Cell Membrane Functions

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Prokaryotic Cell Structure: Cell Membrane Functions

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Questions and Answers

What is the primary function of the cell membrane in a prokaryotic cell?

To provide structural strength to the cell

To regulate the entrance and exit of dissolved substances (correct)

To catalyze key cell functions

To conserve energy

What is the component of the bacterial cell membrane that strengthens it?

Glycerol molecule

Fatty acids

Phospholipid bilayer

Hopanoids (correct)

What is the role of the cell membrane in energy conservation?

Generating energy through respiration

Storing energy in the form of ATP

Playing a major role in energy consumption (correct)

None of the above

What is the difference between the bacterial and archaeal cell membrane?

Chemistry of the membrane Signup and view all the answers

What is the function of the layer outside the cytoplasmic membrane in Archaea?

To provide structural strength and shape to the cell Signup and view all the answers

What is the effect of targeting bacterial cell wall synthesis?

The cell becomes susceptible to osmotic lysis Signup and view all the answers

What is the main benefit of antibiotics that target bacterial cell walls?

They are of obvious benefit for treating bacterial infections Signup and view all the answers

What is the main component of the cell wall in Gram-positive bacteria?

Peptidoglycan Signup and view all the answers

What is the function of teichoic acid in the bacterial cell wall?

To bind divalent metal ions Signup and view all the answers

What is the name of the space located between the outer surface of the cytoplasmic membrane and the inner surface of the outer membrane?

Periplasm Signup and view all the answers

What is the characteristic of specific porins?

They contain a binding site for one or a group of structurally related substances Signup and view all the answers

What is the main characteristic of pseudomurein?

It is immune from destruction by both lysozyme and penicillin Signup and view all the answers