7. Which of the following statements regarding a catalyst is not correct?
A. An enzyme is a catalyst that only binds certain substrates.
B. An enzyme is a protein that is a highly efficient catalyst for one or more
chemical reactions in a living system.
C. Catalysts increase the rate of a reaction by altering the mechanism,
thereby increasing the activation energy.
D. Catalysts do not alter the equilibrium constant for a chemical reaction.​