Bacterial Plasma Membranes and Cell Organization Quiz
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Questions and Answers

Which structure in the bacterial cell envelope is well organized, composed of polysaccharides, and provides protective advantages such as resistance to phagocytosis and desiccation?

  • Slime layer
  • Capsule (correct)
  • Glycocalyx
  • S layer
  • What is the main function of the outermost layer in the bacterial cell envelope known as the Glycocalyx?

  • Facilitate motility
  • Protection from desiccation
  • Aid in attachment to surfaces (correct)
  • Promote adhesion to host cells
  • Which layer in the bacterial cell envelope is diffuse, unorganized, and easily removed, potentially aiding in motility?

  • Capsule
  • S layer
  • Slime layer (correct)
  • Glycocalyx
  • In Gram-negative bacteria, which component adheres to the outer membrane and provides protection from ion fluctuations, osmotic stress, and enzymes?

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

    Which component of the bacterial cell envelope is associated with the peptidoglycan surface in Gram-positive bacteria and helps maintain shape and rigidity?

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

    Which structure found in bacterial cell envelopes is characterized by regularly structured layers of protein or glycoprotein that self-assemble?

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

    What is the potential use of S layers found in bacterial cell envelopes besides protecting from various stresses?

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

    'S layers found in bacterial cell envelopes protect from which of the following stresses?

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

    What is a distinguishing feature of capsules compared to slime layers in bacterial cell envelopes?

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

    Which component of bacterial cell envelopes aid in attachment to solid surfaces by forming biofilms in plants and animals?

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

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