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

Mode of action of enzymes — practice question

What effect does an enzyme have in an enzyme-catalysed reaction?

  • Adecreases both the activation energy and the energy yield
  • Bdecreases the activation energy and has no effect on the energy yield
  • Cincreases both the activation energy and the energy yield
  • Dincreases the energy yield and decreases the activation energy

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