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2 marksEnzymes

CAPE Biology Unit 1 · 2010 · Paper 2 · Question 1(b)(i)

Enzymes have many properties. State ONE property of enzymes that relates to their structure and ONE property that relates to their MAIN function in the cell.

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Other parts of this question

  1. 1(a)(i)List FOUR main functions of proteins in living organisms.[2 marks]
  2. 1(a)(ii)Circle a peptide bond in the structure in Figure 1.[1 mark]
  3. 1(a)(iii)In the boxes below, draw the structure of a) an amino group and b) a carboxyl group.[2 marks]
  4. 1(b)(ii)On the graph in Figure 2, sketch TWO curves to represent the progress of a reaction with and without the presence of an enzyme.[2 marks]
  5. 1(c)(i)Describe the trend seen in EACH graph. Graph A: Graph B:[2 marks]
  6. 1(c)(ii)Suggest the type of inhibition represented by the data in EACH graph and state the reason for your answer. Graph A: Graph B:[4 marks]

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