Biology 9700 · AS & A Level · Factors that affect enzyme action

Factors that affect enzyme action — practice question

Which of the following statements is correct about a non-competitive inhibitor?

  • AThe inhibitor binds to the active site of the enzyme and decreases $V_{\max}$.
  • BThe inhibitor binds away from the active site and increases the Michaelis-Menten constant.
  • CThe inhibitor decreases $V_{\max}$, but the Michaelis-Menten constant does not change.
  • DThe inhibitor does not change $V_{\max}$ but increases the Michaelis-Menten constant.

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