Which statement about enzymes is true?
A)An enzyme functions to increase the activation energy in a reaction.
B)Enzymes are proteins that function as catalysts in nonliving things.
C)Each enzyme can catalyze many different biochemical reactions.
D)Enzymes and substrates fit together like a lock and key.
Enzymes are substances that have important jobs in your body, For example they help speed up the reaction of when your eating, those enzymes help break up the food and make the process faster.