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</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</p> Signup and view all the answers

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