Membrane Structure and Fluidity Quiz
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Questions and Answers

What is the main component of the cell membrane?

  • Carbohydrates
  • Phospholipids (correct)
  • Proteins
  • Cholesterol

    • What is the role of membrane carbohydrates in cell-cell recognition?

  • They provide structural support to the membrane.
  • They regulate the fluidity of the membrane.
  • They facilitate the movement of substances across the membrane.
  • They are involved in cell signaling and identification. (correct)

    • What type of proteins are involved in facilitated diffusion?

  • Gated channels
  • Integral proteins
  • Peripheral proteins
  • Transport proteins (correct)

    • What creates the electrochemical gradient across the cell membrane?

    <p>Sodium-potassium pump</p> Signup and view all the answers

    How does endocytosis occur?

    <p>Via receptor-mediated engulfment of specific molecules</p> Signup and view all the answers

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