Facilitated Passive Diffusion Quiz
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Questions and Answers

What is one theory to explain the rapid penetration of certain molecules with low lipid solubility across membranes?

  • Simple diffusion
  • Osmosis
  • Facilitated passive diffusion (correct)
  • Active transport
  • What type of molecules penetrate membranes more rapidly than expected through facilitated passive diffusion?

  • Molecules with high lipid solubility
  • Large molecules
  • Molecules with low lipid solubility (correct)
  • Charged molecules
  • What limits the process of facilitated passive diffusion?

  • Availability of carriers (correct)
  • Membrane permeability
  • Concentration gradient
  • Molecular weight of the substrate
  • Which of the following statements about facilitated passive diffusion is true?

    <p>It does not require energy expenditure</p> Signup and view all the answers

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