The role of an enzyme in a chemical reaction is to change which of the...
BIOLOGY
SAT 2021
The role of an enzyme in a chemical reaction is to change which of the following?
- A. The pH at which the reaction occurs
- B. The temperature at which the reaction occurs
- C. The activation energy of the reaction
- D. The type of reaction
Correct Answer: C. The activation energy of the reaction
Explanation
The function of an enzyme is to speed up chemical reactions. They do this by lowering the activation energy, which is the minimum energy that must be available for a chemical reaction to occur. If the energy required is lowered, the reaction can go faster. Thus the correct answer is an enzyme changes the activation energy of the reaction.
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