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2 marksCellular Respiration and ATP Synthesis

CAPE Biology Unit 2 · 2008 (T&T) · Paper 2 · Question 1(a)(ii)

An electron micrograph showing a eukaryotic mitochondrion is provided.

State the main function of each of the structures labelled I and II in cellular respiration.

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Other parts of this question

  1. 1(a)(i)Label the structures highlighted as I and II on Figure 1.[2 marks]
  2. 1(a)(iii)Calculate the length of the mitochondrion shown in Figure 1, showing all steps.[2 marks]
  3. 1(b)State two structural similarities and one structural difference between chloroplasts and mitochondria.[3 marks]
  4. 1(c)Using an annotated diagram only, explain how energy is generated in the respiratory chain reaction in mitochondria.[6 marks]

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