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Biology · Oct / Nov 2019 · Paper 11 · Question 4

5090Enzyme action

Which statement about enzymes is correct?

  1. AEnzymes are made of lipid molecules and change the rate of a reaction.
  2. BEnzymes are permanently denatured by high and low temperatures.
  3. CEnzymes can only operate within a living organism.
  4. DEnzymes have individual shapes that lock onto specific molecules.

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Correct answer: D. Enzymes have individual shapes that lock onto specific molecules.

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