Osmosis & Diffusion

Chris Goodwin

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  1. A solution that has a higher concentration of solute than another solution is called:

    2. Your answer:
    hypertonic
    hypotonic
    isotonic
    concentration

  2. A solution that has a lower concentration of solute than another solution is called:

    3. Your answer:
    hypertonic
    hypotonic
    isotonic
    concentration

  3. Two solutions that have the same solute concentration are called:

    4. Your answer:
    hypertonic
    hypotonic
    isotonic
    concentration

  4. The measurement of the amount of solute in a solution is called:

    5. Your answer:
    hypertonic
    hypotonic
    isotonic
    concentration

  5. Which of the following describes what will happen to animal cells placed in a hypertonic environment?

    6. Your answer:
    nothing will happen
    they will shrink due to water loss
    the cell membranes will fall apart
    they will swell and possibly burst due to water gain

  6. What structure do plant cells have that animal cells do not that keeps them from bursting in a hypotonic solution?

    7. Your answer:
    chloroplast
    mitochondria
    cell membrane
    cell wall

  7. What is the name given to membranes that only allow certain materials to pass through them?

    8. Your answer:
    selectively permeable
    diffusion
    impermeable
    osmosis

  8. In passive transport, molecules move from an area of ___________ concentration to an area of _______________ concentration until they reach dynamic euilibrium.

    9. Your answer:
    high:higher
    high:low
    low:high
    low:lower

  9. In active transport, molecules move from an area of ______________ concentration to an area of ____________ concentration.

    10. Your answer:
    high:low
    low:high
    high:higher
    low:lower

  10. The process of water moving across a membrane from an area of high water concentration to low water concentration is called:

    11. Your answer:
    dialysis
    osmosis
    active transport
    diffusion

  11. All of the following are molecules that move out of cells except:

    12. Your answer:
    carbon dioxide
    urea
    oxygen
    ions

  12. All of the following molecules move into a cell except:

    13. Your answer:
    food
    enzymes
    carbon dioxide
    ions

  13. True or False: Diffusion and osmosis do not require energy input from a cell.

    14. Your answer:
    True
    False

  14. True or False: In the starch diffusion lab, the dialysis tubing represented the nuclear membrane.

    15. Your answer:
    True
    False

  15. True or False: If a fresh water fish is placed in the ocean,osmosis will cause it's cells to take in water.

    16. Your answer:
    True
    False

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