Question

How does an enzyme become denatured? A. The active site changes shape A. The active site changes shape B. The substrate changes shape B. The substrate changes shape C. the amount of energy needed goes up C. the amount of energy needed goes up D. the amount of energy goes down D. the amount of energy goes down E. the pH becomes too high or low E. the pH becomes too high or low F. the temperature gets too hot or cold F. the temperature gets too hot or cold G. all of the above G. all of the above H. both A and B H. both A and B I. all except C. and D.

Answer 1

An enzyme becomes denatured when the active site changes shape (Option A is correct).

What is the enzyme's active site?

The enzyme active site refers to a molecular domain in the enzyme that binds to the substrate during a chemical reaction, which changes of tridimensional shape after the denaturation of the enzyme.

Enzyme active site is different to the binding site for cofactors, which may increase the rate of a given chemical reaction.

In conclusion, an enzyme becomes denatured when the active site changes shape (Option A is correct).

Learn more about the enzyme active site here:

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