Microvilli in Intestinal Absorptive Cells
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Questions and Answers

Which component of the microvilli is contractile?

  • The intermicrovillus space
  • The actin microfilaments
  • The plasma membrane
  • The terminal web (correct)

    • Where are the actin microfilaments anchored in the microvilli?

  • In the terminal web
  • At the base of the microvilli
  • In the intermicrovillus space
  • At the tip and sides of the plasma membrane (correct)

    • How does the contraction of the terminal web affect the microvilli?

  • It increases the intermicrovillus space
  • It decreases the diameter of the apex of the intestinal absorptive cell (correct)
  • It decreases the intermicrovillus space
  • It increases the diameter of the apex of the intestinal absorptive cell

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