Biological Membranes and Membrane Proteins Quiz
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Questions and Answers

What is the basic design of biological membranes?

  • Single-layered phospholipid
  • Two-layered phospholipid (correct)
  • Bilayered cholesterol
  • Three-layered phospholipid
  • What is the main function of integral membrane proteins in biological membranes?

  • Regulate cell metabolism
  • Responsible for specific actions in the membranes (correct)
  • Prevent movement of water-soluble compounds
  • Act as a barrier against permeability
  • Which organelles in eukaryotic cells are characterized by biological membranes?

  • Mitochondria (correct)
  • Vacuoles
  • Cytoskeleton
  • Ribosomes
  • What is the role of the lipid bilayer in biological membranes?

    <p>Acts as a barrier against permeability</p> Signup and view all the answers

    What is the size range of prokaryotic cells?

    <p>About 12 nm</p> Signup and view all the answers

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