Cell Biology Quiz
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Cell Biology Quiz

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@HappyInsight

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Questions and Answers

What is the primary role of the cell membrane in cell function?

  • Assisting in protein synthesis
  • Facilitating cellular respiration
  • Providing structural support to the cell
  • 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?

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

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

  • Storage of water, nutrients, and waste (correct)
  • Site of cellular respiration
  • Generation of ATP
  • Protein synthesis

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

    <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

    In which form of passive transport do materials move without the need of energy due to differences in concentration?

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

    In which medium will diffusion occur at the fastest rate?

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

    When will diffusion be faster - in a hot medium or a cool medium?

    <p>Hot medium, due to increased particle movement</p> Signup and view all the answers

    What is the process called when water molecules move from a region of higher water concentration to a region of lower water concentration through a selectively permeable membrane?

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

    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

    What happens when materials that are too large to cross the cell membrane need to move into the cell?

    <p>They are moved by endocytosis.</p> Signup and view all the answers

    What happens when the environment is dry and there is very little water?

    <p>Water moves out of cells causing them to shrink.</p> Signup and view all the answers

    Which substances are moved in and out of cells by active transport?

    <p>Calcium, potassium, and sodium</p> Signup and view all the answers

    What type of movement involves substances being too large to cross the cell membrane and therefore move out of the cell by this process?

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

    Which form of passive transport involves proteins providing a pathway for large molecules to diffuse into the cell?

    <p>Facilitated diffusion</p> Signup and view all the answers

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