Which statement best describes enzymes? Every enzyme controls many different reactions
The rate of activity of an enzyme might change as pH changes
Temperature changes do not affect enzymes
Enzymes are produced from the building blocks of carbohydrates

The rate of activity of an enzyme might change as pH changes

Explanation:

Enzymes are organic catalysts that controls the rate of a specific chemical reaction.

These materials combines substrates in order to lower the activation energy which might serves as a barrier to chemical action.

i wish i could with all of them i can barley see the first one so here's the answer to the first one b