Cell Biology - Osmosis Effects
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Questions and Answers

What happens to an animal cell in a hypotonic solution?

  • The cell swells and may rupture. (correct)
  • The cell becomes flaccid and its cytoplasm expands.
  • The cell loses water and shrinks.
  • The cell's volume remains constant.
  • What is the main difference between the effects of hypertonic solutions on animal cells and plant cells?

  • Animal cells become turgid, while plant cells become flaccid.
  • Animal cells burst while plant cells do not.
  • Plant cells maintain rigidity due to cell walls, while animal cells lose water. (correct)
  • Plant cells become turgid, while animal cells become plump.
  • What is turgor pressure in plant cells?

  • The inward pressure from the cell wall.
  • The amount of water that leaves the cell.
  • The pressure from water inside the vacuole. (correct)
  • The force exerted by the cytoplasm when cell shrinks.
  • What occurs when a plant cell is placed in an isotonic environment?

    <p>The water uptake is balanced, maintaining the cell's firmness. (D)</p> Signup and view all the answers

    What term describes the shrinking of the cytoplasm in plant cells when placed in a hypertonic solution?

    <p>Plasmolysis. (C)</p> Signup and view all the answers

    Flashcards

    Isotonic Solution

    When the concentration of solutes is the same inside and outside the cell, there is no net water movement.

    Hypertonic Solution

    When the concentration of solutes is higher inside the cell than outside, water moves out of the cell, causing it to shrink.

    Hypotonic Solution

    When the concentration of solutes is lower inside the cell than outside, water moves into the cell, causing it to swell.

    Turgor Pressure

    The pressure exerted by the cell's contents against the cell wall, caused by the inward movement of water.

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    Plasmolysis

    The shrinking of the cytoplasm in a plant cell due to water loss in a hypertonic environment.

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