How do enzymes affect the reactions in living cells? a
They change the chemical compound of the reaction.
b
Enzymes don't affect the reaction.
c
They change the speed of the reaction.
d
They stop the reaction

d

Explanation:

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

idk what happened..you tell