Cell Biology Quiz
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Questions and Answers

What is the primary function of the cell membrane?

  • Providing structural support to the cell
  • Facilitating cellular respiration
  • Storing genetic information
  • Controlling the movement of materials in and out of the cell (correct)

    • Which organelle is present in the plant cell but not the animal cell?

  • Mitochondria; Nucleus
  • Endoplasmic reticulum; Vacuole
  • Chloroplast; Lysosome (correct)
  • Golgi apparatus; Ribosome

    • What is the function of the vacuole in a plant cell?

  • Lipid production
  • Storage of water and nutrients (correct)
  • Cellular respiration
  • Protein synthesis

    • According to the Kinetic Particle Theory, which physical property is fixed for a gas?

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

    In which state of matter do particles have an irregular arrangement and are very far apart?

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

    Which type of particle movement is characteristic of a liquid?

    <p>Roll and move around each other</p> Signup and view all the answers

    What type of bond exists between particles in a gas?

    <p>Little or no bond between particles</p> Signup and view all the answers

    In which form of passive transport do materials move without the need of energy?

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

    Which medium will allow the fastest diffusion?

    <p>Gas, due to very far apart particle arrangement</p> Signup and view all the answers

    Will diffusion be faster when the medium is hot or cool?

    <p>Hot, because particles move faster at higher temperatures</p> Signup and view all the answers

    What is the movement involved in osmosis?

    <p>Movement of water molecules from a region of higher water concentration to a region of lower water concentration through a selectively permeable membrane</p> Signup and view all the answers

    What happens to cells when the environment is dry with very little water?

    <p>Water may move out of cells, causing cytoplasm to shrink away from the cell wall and potentially leading to cell death</p> Signup and view all the answers

    What do proteins do in facilitated diffusion?

    <p>Provide a pathway for large molecules to diffuse into the cell</p> Signup and view all the answers

    What is involved in active transport?

    <p>Cells use up energy to move molecules across cell membranes against natural concentration gradient</p> Signup and view all the answers

    How do large materials like food particles enter cells?

    <p>Through endocytosis and exocytosis</p> Signup and view all the answers

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