Quelpr
1 markCellular Respiration and ATP Synthesis

CAPE Biology Unit 2 · 2018 · Paper 2 · Question 1(a)(ii)

An outline of the Krebs cycle is shown with compounds labelled A to G and selected stages numbered 1 to 5.

Writing your answer in Figure 1, insert the input and product at the point numbered 4, as completed for points 1, 2, 3 and 5.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 1(a)(i)Writing your answer in Figure 1, insert the number of carbon atoms contained in EACH of the compounds labelled B to G (example provided for Compound A).[3 marks]
  2. 1(a)(iii)Explain the TWO MAIN roles of the Krebs cycle.[4 marks]
  3. 1(b)(i)On the grid provided on page 7, plot a line graph based on the data provided in Table 1.[4 marks]
  4. 1(b)(ii)Using the concept of limiting factors, suggest THREE reasons for the shape of the graph drawn in b (i).[3 marks]

More practice: the rest of this paper · more Cellular Respiration and ATP Synthesis questions · all CAPE Biology Unit 2 past papers