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1.3 Transport in cells

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Question 62
F

Three factors affect the rate at which a substance diffuses into a cell.

a.

Name the three factors that affect the rate of diffusion.

[3]
b.

The cell membrane of one type of cell is folded into many small projections. Explain how these folds increase the rate of diffusion into the cell.

[2]
c.

Oxygen diffuses into a muscle cell faster when the muscle cell is respiring quickly. Explain why.

[2]
Markscheme

1.3 Transport in cells Questions

  1. GCSE
  2. /Biology
  3. /1.3 Transport in cells

140 exam-style questions on AQA GCSE Biology 1.3 Transport in cells, covering 1.3.1 Diffusion, 1.3.2 Osmosis, and 1.3.3 Active transport. Each one has a worked solution and a mark scheme showing where the marks go.

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