Chemically alter the make-up of nutrients, changing them into a form that can be readily used by cells.
a. enzymes
b. amino acids
c. carbohydrates
d. nutrients

Hi! your answer should be (A.) Enzymes

Explanation:

The enzyme is the biological catalyst that participates in the chemical reaction occuring.

blood alcohol concentration is affected by factors such as body size and gender.

( i saw this one before)