Cell Biology Chapter 4 Quiz
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Questions and Answers

What happens to the surface area to volume ratio as cells increase in size?

  • It increases.
  • It remains constant.
  • It becomes irrelevant.
  • It decreases. (correct)
  • Which of the following methods does NOT require energy for molecular transport?

  • Endocytosis
  • Active transport
  • Facilitated diffusion (correct)
  • Filtration (correct)
  • In which process do molecules move from an area of higher concentration to lower concentration?

  • Facilitated diffusion (correct)
  • Active transport
  • Endocytosis
  • Filtration
  • What is necessary for facilitated diffusion to occur?

    <p>A concentration gradient.</p> Signup and view all the answers

    What is the primary function of the cell membrane in relation to molecules?

    <p>To maintain equilibrium by regulating exchange of matter.</p> Signup and view all the answers

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