Practice Cell Membrane: Semi-permeable Barrier Controlling Movement In/out Of Cell (3.1.1)

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6 sample questions

Question 1.
What is the role of the cell membrane?
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Think about what surrounds the cell.
Question 2.
Define osmosis.
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Consider what substance is being moved and through what type of membrane.
3Question 3.
What does semi-permeable mean?
- Allows all substances to pass
- Allows only some substances to pass
- Does not allow any substances to pass
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Think about the selectivity of movement.
4Question 4.
Is diffusion a passive or active process?
- True
- False
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Consider the energy requirements of moving substances.
Question 5.
You have a cell placed in a highly salty solution. Describe what happens to the cell, mentioning the processes involved.
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Think about the movement direction during osmosis.
Question 6.
Explain how the concept of semi-permeability is essential for the function of a kidney cell in filtering blood.
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Consider how kidneys manage what is kept or eliminated from the blood.

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