Cell Membrane Structure and Function Quiz
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Questions and Answers

What is the structure of the cell membrane primarily composed of?

  • Carbohydrates
  • Proteins
  • Nucleic acids
  • Phospholipids (correct)

What is the main responsibility of the cell membrane?

  • Generating energy for the cell
  • Maintaining cell shape
  • Synthesizing proteins
  • Controlling entry and exit of material from the cell (correct)

What are the main constituents arranged in a bilayer in the cell membrane?

  • Nucleic acids
  • Proteins
  • Carbohydrates
  • Lipids (correct)

How thick is the cell membrane?

<p>7.5 - 10 nm (A)</p> Signup and view all the answers

What is the term used to describe the membrane's property of allowing some substances to pass through while blocking others?

<p>Semi-permeable (D)</p> Signup and view all the answers

What is the structure of the cell membrane primarily composed of?

<p>Phospholipids (A)</p> Signup and view all the answers

What term describes the ability of the cell membrane to allow some substances to pass through while restricting others?

<p>Semi-permeable (C)</p> Signup and view all the answers

What are the main constituents of the cell membrane?

<p>Lipids and proteins (A)</p> Signup and view all the answers

What is the main responsibility of the cell membrane?

<p>Regulating the entry and exit of materials from the cell (A)</p> Signup and view all the answers

What is the approximate thickness of the cell membrane?

<p>7.5 - 10 nm (B)</p> Signup and view all the answers

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