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Which one of the following statements is incorrect about enzyme catalysis ?

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Enzymes are denatured by ultraviolet rays and at high temperature

Enzymes are least reactive at optimum temperature

Enzymes are mostly proteinous in nature

Enzyme action is specific

answer is B.

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Detailed Solution

Enzymes get denatured in presence of UV rays and at high temperature

(1) is correct

Enzymes are globular proteins; (3) is correct

enzyme catalysis is explained by Lock - key mechanism.Enzymes are highly specific.

(4) is correct

At optimum temperature (310K) and P^H(7) , enzymes are highly active

(2) is incorrect

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