Cell Membranes and Transport Mechanisms Quiz
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Questions and Answers

Which statement is true about cell membranes?

  • Cell membranes allow molecules to freely mix between the cell and its environment
  • Cell membranes are involved in DNA replication
  • Cell membranes prevent molecules from mixing between the cell and its environment (correct)
  • Cell membranes only exist in eukaryotic cells
  • What is the function of receptor proteins in the plasma membrane?

  • Enable the cell to receive signals from the environment (correct)
  • Enable the import and export of small molecules
  • Enclose individual organelles
  • Allow the cell to grow and change shape
  • What is the role of transport proteins in the membrane?

  • Allow the cell to grow and change shape
  • Enable the cell to receive signals from the environment
  • Enclose individual organelles
  • Enable the import and export of small molecules (correct)
  • What is the function of the plasma membrane in cell growth and motility?

    <p>Allow the cell to grow and change shape</p> Signup and view all the answers

    Which type of cells have internal membranes that enclose individual organelles?

    <p>Eukaryotic cells</p> Signup and view all the answers

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