Cell System and Organelles Quiz
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Questions and Answers

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

  • Facilitating cellular respiration
  • Providing structural support to the cell
  • Regulating DNA replication
  • 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; Golgi apparatus
  • Chloroplast; Lysosome (correct)
  • Cell wall; Centriole

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

  • Storage of water, nutrients, and waste products (correct)
  • Generation of ATP
  • Synthesis of proteins
  • Regulation of cell shape

    • Which type of transport involves movement of materials without the need for energy?

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

    What is the particle arrangement in a solid?

    <p>Regular arrangement, close together</p> Signup and view all the answers

    What is the movement of particles in a gas?

    <p>Move about randomly at high speeds</p> Signup and view all the answers

    What is the bond between particles in a liquid?

    <p>Relatively strong bonds that break and reform</p> Signup and view all the answers

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

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

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

    <p>$ ext{Ca}^{2+}$, $ ext{K}^+$, and $ ext{Na}^+$</p> Signup and view all the answers

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

    <p>$ ext{H}_2 ext{O}$ moves out of cells causing them to shrink</p> Signup and view all the answers

    What is the process where substances move into the cell by endocytosis and out of the cell by exocytosis called?

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

    In which form of passive transport do proteins provide a pathway for large molecules to diffuse into the cell?

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

    In which medium will diffusion be fastest?

    <p>Gas at high temperature</p> Signup and view all the answers

    When will diffusion be faster?

    <p>When the medium is hot because particles move faster at higher temperatures.</p> Signup and view all the answers

    In which state do particles vibrate about in fixed positions?

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

    Which form of passive transport involves movement of molecules from a region of higher concentration to a region of lower concentration until equilibrium is established?

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

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