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1.3 Transport in cells

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Question 29
F

A person lost at sea drinks sea water. Sea water contains a much higher concentration of dissolved salts than blood plasma.

a.

Explain why drinking sea water makes the person more dehydrated.

[3]
b.

Suggest why the body cells cannot work properly when they lose water in this way.

[2]
Markscheme

1.3 Transport in cells Questions

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

58 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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