Water Molecule Chapter 8 Quiz Questions

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  • 1/18 Questions

    When put into distilled water, a red blood cell will:

    • Inflate until it pops
    • Stay the same
    • Shrink (Crenate)
    • Double in size and then stay that way
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About This Quiz

This 'Water Molecule Chapter 8' quiz assesses understanding of diffusion, osmosis, and cellular responses in different osmotic conditions. It evaluates key skills in predicting molecular movement and cell behavior, essential for learners in biology and related fields.

Water Molecule Chapter 8 Quiz Questions - Quiz

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  • 2. 

    Passive transport uses __________ to allow particles to move ___________ the concentration gradient                                    (energy/no energy)                                               (against/with)

    Explanation
    Passive transport is a type of cellular transport that does not require the input of energy. It relies on the natural movement of particles from an area of higher concentration to an area of lower concentration, which is known as moving "with" the concentration gradient. Therefore, the correct answer is "no energy, with."

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  • 3. 

    Active transport uses __________ to make particles to move ___________ the concentration gradient                                    (energy/no energy)                                           (against/with)

    Explanation
    Active transport uses energy to make particles move against the concentration gradient.

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  • 4. 
    How many FREE water molecules exist on Side B of the semi-permeable membrane(do NOT count the 3 molecules currently crossing the membrane)? - ProProfs

    How many FREE water molecules exist on Side B of the semi-permeable membrane(do NOT count the 3 molecules currently crossing the membrane)?

    Explanation
    Only 7 of the 16 water molecules on side B are FREE/not bound to sodium ions.

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  • 5. 
    Osmosis: In which direction would water molecules move in the above illustration?  - ProProfs

    Osmosis: In which direction would water molecules move in the above illustration? 

    • Side A --> Side B

    • Side B --> Side A

    • No movement of water molecules

    • Movement in both directions to maintain the current equilibrium

    Correct Answer
    A. Side A --> Side B
    Explanation
    Water will diffuse from an area of higher concentration of FREE water molecules (Side A = 19) to an area of lesser concentration of FREE water molecules (Side B = 7).

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  • 6. 
    How many FREE water molecules exist on side A (do not count the 3 water molecules currently crossing the membrane)? - ProProfs

    How many FREE water molecules exist on side A (do not count the 3 water molecules currently crossing the membrane)?

    Correct Answer
    19
    nineteen
    Explanation
    Every water molecule on side A of the membrane is a free(unbound) water molecule.

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  • 7. 

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

    • Active transport

    • Cell membrane pump

    • Reverse osmosis

    • Simple diffusion

    Correct Answer
    A. Simple diffusion
    Explanation
    Simple diffusion involves the movement of particles from an area of high concentration to an area of low concentration through a membrane.

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  • 8. 

    In diffusion, particles move from an area of ______________ concentration to an area of ________________ concentration.

    Correct Answer
    higher lower
    higher, lower
    greater lesser
    greater, lesser
    high, low
    high low
    great, less
    great less
    Explanation
    In diffusion, particles naturally move from an area of higher concentration to an area of lower concentration. This is because particles tend to spread out and become evenly distributed. Therefore, the correct answer is "higher lower".

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  • 9. 

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

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

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

    • Water enters and leaves cell at the same rate

    • The plant cells turn purple

    Correct Answer
    A. Water leaves the plant cell and the cell membranes pulls away from the cell walls
    Explanation
    the greater dissolved salt content of a hypertonic environment pulls water out of the cell causing the membrane to shrivel, and the plant to subsequently shrivel.

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  • 10. 

    What type of membrane protein allows ions to move passively through the cell membrane?

    • Cell membrane pump

    • Ion channel

    • Carrier protein

    • Vesicle transport

    Correct Answer
    A. Ion channel
    Explanation
    Ion channels allow and control the movement of ions with the concentration gradient(passively), since ions do not easily pass through the phospholipid bilayer of the cell membrane.

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  • 11. 

    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:

  • 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

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  • Current Version
  • Oct 18, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 10, 2014
    Quiz Created by
    Lukemoll1415
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