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2 marksEnzymes

CAPE Biology Unit 1 · May/June 2023 · Paper 2 · Question 1(d)(i)

Describe the induced fit hypothesis.

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  1. 1(a)(i)Identify the parts labelled I and II on Amino acid B.[2 marks]
  2. 1(a)(ii)Draw a diagram to show how Amino acids A and B form a dipeptide.[3 marks]
  3. 1(b)Complete the table by identifying the monomer and the type of linkage for each polymer (cellulose, amylose, glycogen), where row 1 is given as an example.[6 marks]
  4. 1(c)(i)State ONE responding and ONE manipulated variable in the experiment.[2 marks]
  5. 1(c)(ii)Suggest ONE suitable control for the experiment.[1 mark]
  6. 1(c)(iii)Outline your predicted results for the investigation.[2 marks]
  7. 1(d)(ii)With the aid of a diagram drawn in the space provided on page 9 using the provided symbols, explain how acetylcholinesterase is inhibited by organophosphates…[12 marks]

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