Multiple choice Enzymes are able to accelerate a reaction because ___________. reacting substances are brought into highly specific relations with each other energy is added to the system molecules of the reactants are speeded up so that random encounters are more products of the reaction are removed simultaneously metallic ions are absent in the protein molecules Reveal answer Fill a bubble to check yourself A Correct answer Explanation Enzymes are able to accelerate a reaction because reacting substances are brought into highly specific relations with each other.