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Bacterial Cell Anatomy and Function Quiz

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Bacterial Cell Anatomy and Function Quiz

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Questions and Answers

What is peptidoglycan composed of in the bacterial cell wall?

Nucleic acids

Glycan and tetrapeptide side chains (correct)

Proteins

Lipids

What is the function of the bacterial cell wall?

Assisting in protein synthesis

Regulating the entry of nutrients into the cell

Supporting the weak cytoplasmic membrane against high internal osmotic pressure (correct)

Providing energy for the cell

Which type of bacteria has a thick layer of peptidoglycan in their cell wall?

Archaea

Gram negative bacteria

Gram positive bacteria (correct)

Mycoplasma

What allows gram-positive bacteria to retain the crystal violet dye after washing with alcohol in gram staining?

<p>Lipoteichoic acids (D)</p> Signup and view all the answers

What is the role of teichoic acids in gram-positive cell walls?

<p>Spanning the cell wall and linking to the cell membrane (D)</p> Signup and view all the answers

Bacterial Cell Anatomy and Function Quiz

Choose a study mode

Podcast

Questions and Answers

What is peptidoglycan composed of in the bacterial cell wall?

What is the function of the bacterial cell wall?

Which type of bacteria has a thick layer of peptidoglycan in their cell wall?

What allows gram-positive bacteria to retain the crystal violet dye after washing with alcohol in gram staining?

What is the role of teichoic acids in gram-positive cell walls?

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