Cell Membrane Structure and Function Quiz
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Questions and Answers

Which type of transport moves molecules from an area of low concentration to an area of high concentration through carrier proteins?

  • Endocytosis
  • Active transport (correct)
  • Passive transport
  • Exocytosis
  • What form of active transport involves parts of the plasma membrane forming infoldings or outfoldings?

  • Facilitated diffusion
  • Osmosis
  • Simple diffusion
  • Cytosis (correct)
  • Which process involves large particles being transported by enclosing them in vesicles made from the cell surface membrane?

  • Facilitated diffusion
  • Endocytosis (correct)
  • Simple diffusion
  • Exocytosis
  • In which process are vesicles fused with the cell surface membrane, releasing their contents outside of the cell?

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

    Which factor affects the rate of gas exchange by diffusion as it becomes more steep?

    <p>Diffusion gradient becomes more steep</p> Signup and view all the answers

    What is water potential measured in?

    <p>Kilopascal (kPa)</p> Signup and view all the answers

    As solutes are added to a solution, what happens to the water potential?

    <p>It decreases</p> Signup and view all the answers

    What is the contribution of solute to the water potential called?

    <p>'Solute potential'</p> Signup and view all the answers

    What does active transport require in order to move molecules against their concentration gradient?

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

    What is the role of vesicles in endocytosis and exocytosis?

    <p>Fusing with cell membrane to release contents outside the cell</p> Signup and view all the answers

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