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4.2 Respiration

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Question 35

A nerve cell transmits impulses repeatedly. After each impulse, ions are pumped back across its cell membrane.

Suggest why repeated transmission of impulses increases the metabolic rate of the nerve cell.

[2]
Markscheme

4.2 Respiration Questions

  1. GCSE
  2. /Biology
  3. /4.2 Respiration

92 exam-style questions on AQA GCSE Biology 4.2 Respiration, covering 4.2.1 Aerobic and anaerobic respiration, 4.2.2 Response to exercise, and 4.2.3 Metabolism. Each one has a worked solution and a mark scheme showing where the marks go.

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