Which statement about enzymes is true?

a.) an enzyme functions to increase the rate of a chemical 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

C

Explanation:

Enzymes act as a catalyst for causing biochemical reactions

there's the proffessional site that will you.

fumikage isn't really a bird, and tsuyu does have teeth. tsuyu has a transformation quirk which still allows her to be partially human. otherwise we'd have a large frog running around. fumikage has teeth because again, he isn't a bird. his head was a quirk mixture if i'm correct.