Quelpr
12 marksEnzymes

CAPE Biology Unit 1 · May/June 2022 · Paper 2 · Question 1(c)

Four graphs are presented illustrating the effects of pH, temperature, enzyme concentration, and substrate concentration on the rate of reaction or concentration of product over time.

Explain the impact of the following factors on enzyme action using the information provided in Figure 2: pH, Temperature, Enzyme concentration, Substrate concentration.

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Other parts of this question

  1. 1(a)(i)In the space provided, construct a plan diagram to show at least the FOUR major tissues labelled W, X, Y and Z in the light micrograph in Figure 1.[5 marks]
  2. 1(a)(ii)State the function of the structures labelled W, X, Y and Z in Figure 1 on page 4.[4 marks]
  3. 1(a)(iii)Explain why the dicotyledonous root of a plant is considered an organ.[3 marks]
  4. 1(b)(i)Outline the basis of the endosymbiont theory.[2 marks]
  5. 1(b)(ii)Complete the table by indicating whether the following features are present, absent or sometimes present in a eukaryotic cell and a prokaryotic cell: Plasmid,…[4 marks]

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