human
Question: Helena investigates how enzymes are important to body processes. How is the role of enzymes in biochemical activity best explained?

Choices:
A) Enzymes work at all pH levels.
B) Enzymes decrease the rate of metabolism.
C) Enzymes enable reactions to occur at lower temperatures.
D) Enzymes raise the activation energy needed for a reaction.
gpt
The correct answer is 2: Enzymes enable reactions to occur at lower temperatures..