Water Molecule Chapter 8 Quiz Questions
18 Questions
| Total Attempts: 56
Questions and Answers
- 1.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:
- 2.Briefly explain one type of cell membrane pump, and how it is able to move particles against(up) the concentration gradient.
- 3.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)
- 4.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
- 5.In diffusion, particles move from an area of ______________ concentration to an area of ________________ concentration.
- 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)?")
How many FREE water molecules exist on side A (do not count the 3 water molecules currently crossing the membrane)? - 7.
![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)?")
How many FREE water molecules exist on Side B of the semi-permeable membrane(do NOT count the 3 molecules currently crossing the membrane)? - 8.
![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?")
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
- 9.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
- 10.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
- 11.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
- 12.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
- 13.Passive transport uses __________ to allow particles to move ___________ the concentration gradient (energy/no energy) (against/with)
- 14.Active transport uses __________ to make particles to move ___________ the concentration gradient (energy/no energy) (against/with)
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