Cell Membrane and Environment Quiz
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Questions and Answers

What is the function of the membranes in cells?

  • To provide nutrients to the cell
  • To separate the inside of the cell from the outside (correct)
  • To allow free movement between the inside and outside of the cell
  • To regulate the temperature inside the cell
  • What does homeostasis refer to in the context of cells?

  • The elimination of waste products from the cell
  • The ability to maintain stable, constant internal conditions (correct)
  • The process of cell division
  • The ability to adapt to changing external environments
  • Which type of cells contain a nucleus and organelle structures?

  • Eukaryotic cells (correct)
  • Viral cells
  • Prokaryotic cells
  • Bacterial cells
  • What surrounds eukaryotic cells and acts like the walls of a house?

    <p>Plasma membrane</p> Signup and view all the answers

    Why do living organisms need to maintain cellular barriers?

    <p>For growth, reproduction, and homeostasis</p> Signup and view all the answers

    What is the process called when molecules move from an area of high concentration to an area of low concentration without the cell doing any work?

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

    Which process involves the cell actively pumping molecules through transport proteins in the cell membrane?

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

    What is the process of exporting material out of the cell called?

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

    Which cellular process helps in maintaining body temperature through heat generation?

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

    What is the tendency for particles to spread out evenly in an available space called?

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

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