What could happen if a person doesn't get the proper amount of protein in his or her diet?

basically, muscles without protein wont grow. Also, fatigue after some time.

Explanation:

if theyre athletes, their bodies wont be able to recover properly.

ur answer is e & d

explanation:

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products