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A2.2 - Movement across cell surface membranes

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✅EvaluateQuestion 1 of 14

The main function of the cell surface membrane is to:

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✅EvaluateQuestion 2 of 14

Which term is used to describe a membrane that allows some substances to pass through but not others?

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✅EvaluateQuestion 3 of 14

Diffusion is best defined as the:

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✅EvaluateQuestion 4 of 14

Osmosis is the movement of:

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✅EvaluateQuestion 5 of 14

Which statement about active transport is TRUE?

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✅EvaluateQuestion 6 of 14

Which of the following processes does NOT require energy from respiration?

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✅EvaluateQuestion 7 of 14

Which of the following correctly matches a process with the type of substance involved?

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✅EvaluateQuestion 8 of 14

A student in Barbados sprays perfume in one corner of a room. After a short time, the whole room smells of perfume. Which process is mainly responsible?

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✅EvaluateQuestion 9 of 14

Which row correctly compares diffusion and osmosis?

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✅EvaluateQuestion 10 of 14

Which situation in the human body is an example of diffusion?

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✅EvaluateQuestion 11 of 14

A red blood cell is placed in pure water. What will mainly cause water to enter the cell?

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✅EvaluateQuestion 12 of 14

Which statement correctly describes active transport?

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✅EvaluateQuestion 13 of 14

If the cell surface membrane of a kidney tubule cell were damaged so that it could no longer carry out active transport, which effect would be most likely?

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✅EvaluateQuestion 14 of 14

Why is it important that the cell surface membrane of red blood cells is selectively permeable rather than freely permeable to all substances?

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✅EvaluateQuestion 1 of 14

The main function of the cell surface membrane is to:

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