That answer would be A. nucleus
This part of the enzyme is known as the active site. Enzymes are organic molecules that catalyze certain chemical reactions in the body. A catalyst is any chemical that speeds up another reaction without being used up in the reaction itself. This means that at the end of the reaction the enzyme is able to operate on other molecules in another reaction.
Answer:
B. it relaxes
Explanation:
Antagonisms. one muscle contract while the opposite one relaxes to carry out an action.
Answer:
perhaps
Explanation:
it is dependant of our munition supplies A
A population is a group of individuals of the same species that are capable of interbreeding.