Question

In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme?

A.) pH changes the shape of the enzyme.

B.) pH changes the atomic structure of the enzyme.

C.) pH changes the ability of the enzyme to dissolve in water.

D.) pH takes energy away from the enzyme, thus slowing it down.

Answer 1

D. Catalysts have extra energy to make certain chemical reactions start if the PH of the environment directly affects the catalytic properties of the environment then it might be using that energy to remain stable.