Prokaryote Morphology and Plasma Membranes Quiz
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Questions and Answers

Which shape can come in an arrangement of 4, 8, and irregular resembling a cluster of grapes?

  • Spirochete
  • Coccus (correct)
  • Rod
  • Spirillum
  • What is another name for a rod-shaped prokaryote?

  • Spirochete
  • Spirillum
  • Bacillus (correct)
  • Coccus
  • Which type of prokaryote is characterized by a structure resembling a cluster of grapes?

  • Coccus (correct)
  • Rod
  • Spirillum
  • Budding and appendaged
  • Which lipid bonds via an ether bond in archaeal phospholipid bilayers instead of an ester bond as in bacteria?

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

    Which type of prokaryote does not require a cell wall due to residing inside a host?

    <p>Mycoplasma Spp.</p> Signup and view all the answers

    Which type of prokaryotic morphology includes structures like vibrio, budding, and appendaged forms?

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

    What is the main component of acid-fast cell walls that is responsible for resistance?

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

    In acid-fast cell walls, what is the function of arabinogalactan?

    <p>Creates a thick hydrophobic layer on the outside</p> Signup and view all the answers

    What is the key difference in the cell wall structure between gram-positive and gram-negative bacteria?

    <p>Number of layers in the cell wall</p> Signup and view all the answers

    Which component of lipopolysaccharide (LPS) acts as an anchor in gram-negative cell walls?

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

    What is the function of Braun's lipoproteins in bacterial cell walls?

    <p>Anchors different layers together</p> Signup and view all the answers

    Why does the release of lipopolysaccharide (LPS) sometimes lead to septic shock?

    <p>It causes sudden drop in blood pressure due to vasodilation</p> Signup and view all the answers

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