Water Molecule Chapter 8 Quiz Questions

18 Questions

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Molecule Quizzes & Trivia

Questions and Answers
  • 1. 
    In diffusion, particles move from an area of ______________ concentration to an area of ________________ concentration.
  • 2. 
    How many FREE water molecules exist on side A (do not count the 3 water molecules currently crossing the membrane)?
  • 3. 
    How many FREE water molecules exist on Side B of the semi-permeable membrane(do NOT count the 3 molecules currently crossing the membrane)?
  • 4. 
    Osmosis: In which direction would water molecules move in the above illustration? 
    • A. 

      Side A --> Side B

    • B. 

      Side B --> Side A

    • C. 

      No movement of water molecules

    • D. 

      Movement in both directions to maintain the current equilibrium

  • 5. 
    When put into distilled water, a red blood cell will:
    • A. 

      Inflate until it pops

    • B. 

      Stay the same

    • C. 

      Shrink (Crenate)

    • D. 

      Double in size and then stay that way

  • 6. 
    When a plant is placed into a salt water (hypertonic) solution, what happens to its cells?
    • A. 

      Water enters the cell and the cell membrane pushes against the cell wall creating turgor pressure

    • B. 

      Water leaves the plant cell and the cell membranes pulls away from the cell walls

    • C. 

      Water enters and leaves cell at the same rate

    • D. 

      The plant cells turn purple

  • 7. 
    Movement of particles from an area of high concentration to an area of low concentration through a membrane is also known as:
    • A. 

      Active transport

    • B. 

      Cell membrane pump

    • C. 

      Reverse osmosis

    • D. 

      Simple diffusion

  • 8. 
    Explain facilitated diffusion in terms of a.) how carrier proteins move particles through the plasma membrane(is energy required?), and b.)what type of particles are moved using facilitated diffusion:
  • 9. 
    What type of membrane protein allows ions to move passively through the cell membrane?
    • A. 

      Cell membrane pump

    • B. 

      Ion channel

    • C. 

      Carrier protein

    • D. 

      Vesicle transport

  • 10. 
    Passive transport uses __________ to allow particles to move ___________ the concentration gradient                                    (energy/no energy)                                               (against/with)
  • 11. 
    Active transport uses __________ to make particles to move ___________ the concentration gradient                                    (energy/no energy)                                           (against/with)
  • 12. 
    Briefly explain one type of cell membrane pump, and how it is able to move particles against(up) the concentration gradient.
  • 13. 
    Beginning with G1: put the following stages of the cell cycle in the proper order: Telophase, Anaphase, G1(Growth Phase 1), Metaphase, S(Synthesis), Prophase, Cytokinesis, G2(Growth Phase 2)
  • 14. 
    A.)Explain, in terms of the cell cycle, what causes cancer.  Then, b.)list some possible causes of cancer and c.)some measures a person can take to prevent getting cancer