Question

Enzymes ...

A) are composed of long chains of fatty acids.


B) can be destroyed by variations in temperature or pH.


C) are used up, in the process of performing a chemical reaction.


D) raise the amount of energy required to start a chemical reaction.

Answer 1

B) can be destroyed by variations in temperature or pH.

Step-by-step explanation:

Answer 2

B) can be destroyed by variations in temperature or pH
This is because a change in the temperature or pH changes the shape of the active site of the enzyme so the substrate can no longer bind to the active site. The enzyme has become denatured.