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Questions  

Which of the following is an incorrect statement with respect to Enzymes?

a
Enzymes increase the energy of activation of a biochemical reaction
b
Enzymes are sensitive to pH
c
Enzymes are thermolabile
d
KM value indicates the affinity of enzyme towards the substrate.

detailed solution

Correct option is A

Enzymes decrease the energy of activation of a biochemical reaction. So that the reactions in a living cell can occur at body temperature. An enzyme uncatalyzed reaction requires more activation energy. Enzymes are sensitive to temperature and pH. Lesser is the KM value higher is the affinity of enzyme towards the substrate. It differs from enzyme to enzyme and substrate to substrate.

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