The Cell Membrane
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Questions and Answers

What are the major components of the cell membrane?

  • Lipids and proteins (correct)
  • Proteins and carbohydrates
  • Nucleic acids and lipids
  • Carbohydrates and nucleic acids
  • Which technique allowed scientists to study the detailed structure of the cell membrane in the 1950s?

  • Electron microscope (correct)
  • Chemical studies
  • Biochemical investigation
  • Plasma membrane
  • How are the phospholipids arranged in the cell membrane?

  • Randomly
  • In a bilayer (correct)
  • In a single layer
  • In a trilayer
  • What is the orientation of the polar head of phospholipids in the cell membrane?

    <p>Towards the outer sides</p> Signup and view all the answers

    Besides phospholipids, what other molecule is found in the cell membrane?

    <p>Cholesterol</p> Signup and view all the answers

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