Cell Biology Quiz: Functions and Organelles
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Questions and Answers

Which state of matter has particles that are very far apart and move about randomly at high speeds?

  • Solid
  • Liquid
  • Gas (correct)
  • None of the above
  • In which form of passive transport do small molecules like oxygen, carbon dioxide, and water freely diffuse across the cell membrane?

  • Active transport
  • Facilitated diffusion
  • Diffusion (correct)
  • Osmosis
  • What is the movement of water molecules from a region of higher water concentration to a region of lower water concentration through a selectively permeable membrane called?

  • Active transport
  • Facilitated diffusion
  • Osmosis (correct)
  • Diffusion
  • Which type of transport requires cells to use up energy to move molecules across the cell membrane against the natural concentration gradient?

    <p>Active transport</p> Signup and view all the answers

    How do materials like food particles move into the cell when they are too large to cross the cell membrane?

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

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