Which of the Following Statements Is TRUE About Enzyme-Catalyzed Reactions

Multiple Choice

Which of the following statements is TRUE about enzyme-catalyzed reactions?

A) The reaction is faster than the same reaction in the absence of the enzyme.
B) The free-energy change of the reaction is opposite from the reaction that occurs in the absence of the enzyme.
C) An enzyme catalyzes a reaction by raising the activation energy.
D) Enzyme-catalyzed reactions require energy to activate the enzyme.
E) Enzyme-catalyzed reactions release more free energy than noncatalyzed reactions.