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6 marksCellular Respiration and ATP Synthesis

CAPE Biology Unit 2 · 2015 · Paper 2 · Question 1(b)(i)

Using an annotated diagram of a simple respirometer constructed from a plastic syringe and capillary tube, outline the procedure for measuring respiration in germinating seeds.

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Other parts of this question

  1. 1(a)(i)Describe the observed effects of light intensity on the photosynthesis rate of this species in regions A and B.[2 marks]
  2. 1(a)(ii)Outline the biological process by which O2 is produced during photosynthesis.[2 marks]
  3. 1(b)(ii)Suggest FIVE precautions to be taken to ensure the accuracy and reliability of the results when conducting an experiment using a simple respirometer.[5 marks]

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