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8.1 Exchange surfaces and diffusion

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Question 6

A yeast cell in a sugar solution produces carbon dioxide during respiration.

Describe the movement of carbon dioxide molecules at the boundary between the yeast cell and the surrounding solution.

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Markscheme

8.1 Exchange surfaces and diffusion Questions

  1. GCSE
  2. /Biology
  3. /8.1 Exchange surfaces and diffusion

102 exam-style questions on Edexcel GCSE Biology 8.1 Exchange surfaces and diffusion, covering 8.1.1 Introduction to exchange and transport, 8.1.2 Alveoli adapted for gas exchange, 8.1.3 Factors affecting rate of diffusion, and 8.1.4 Rate of diffusion using Fick's law. Each one has a worked solution and a mark scheme showing where the marks go.

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