lipids. enzymes. nucleic acids. carbohydrates.
I gave my students this multiple choice question: Several types of mechanisms in the body regulate the rate of chemical reactions in the digestive system. Among the most important are feedback systems, which control the release rate of

Only one answer is correct among these 4 choices:
- lipids.
- enzymes.
- nucleic acids.
- carbohydrates.

Could you tell me which one is correct?

enzymes.