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What is false regarding Km?



A. Km = concentration of substrate at Ā½ Vmax
B. Km is inversely proportional to the affinity
C. Km is increased in non-competitive inhibition.
D. Km is increased in competitive inhibition.

This question is part of Enzymology - part I
Asked by Karthikeyan Pethusamy, Last updated: Jun 27, 2020

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John Smith

John Smith

Answered May 29, 2017

Km is increased in non-competitive inhibition.

As the inhibitor competes for the active site in competitive inhibition, more substrate is needed to overcome the inhibition. So, Km increases.
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