Biology 9700 · AS & A Level · Mode of action of enzymes

Mode of action of enzymes — practice question

The graph illustrates how an enzyme affects a reaction. Which labels are correct?

  • AX is the reaction without the enzyme, W is the activation energy.
  • BX is the reaction with the enzyme, Z is the overall energy change.
  • CY is the reaction with the enzyme, W is the difference in activation energy.
  • DZ is the energy gained by the product, W is the activation energy with the enzyme.

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