Question

How do enzymes speed up the rate of biological reactions?

A. Enzymes increase the activation energy of the reaction.
B. Enzymes provide a site where reactants can be brought together.
C. Enzymes become reactants and are used up in the chemical reaction.
D. Enzymes change the temperature of the surroundings to be suitable for the
reaction.

Answer 1

I think it decreases the activation energy needed for the reaction to start.

Step-by-step explanation:

I think that's right but it's not an answer choice.