European Baccalaureate Biology Practice Questions - European Baccalaureate Biology Exam

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How does a competitive enzyme inhibitor affect the kinetic parameters Km (Michaelis constant) and Vmax (maximum reaction velocity)?

Increases Km while leaving Vmax unchanged Decreases Vmax while leaving Km unchanged Decreases both Km and Vmax proportionally Increases Vmax and decreases Km

Correct Answer:

Increases Km while leaving Vmax unchanged

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