A-LevelBiologyEnzymes9700/12 · Oct/Nov 2013 · Q111 Mark

Which is correct for a non-competitive inhibitor of enzyme action? 1 Increasing the concentration of the enzyme's substrate will reduce its effect. 2 It reduces the activation energy required for a reaction to take place. 3 It reduces the maximum rate of reaction.

A1 only

B3 only

C1 and 3 only

D2 and 3 only

✓ Correct answer

B: 3 only

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