Question detail
How do enzymes affect the rate of a chemical reaction?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Rate of reaction
Question
- A. They decrease the temperature of the reaction.
- B. They increase the activation energy required.
- C. They provide an alternative pathway with lower activation energy.
- D. They change the reactants into different products.
Answer
They provide an alternative pathway with lower activation energy.
Explanation
The correct answer is They provide an alternative pathway with lower activation energy.. This answer directly addresses the question: How do enzymes affect the rate of a chemical reaction? It matches the approved Chemistry 8462 learning objective and the linked subtopic. The other options are incorrect because they either change the rate, catalyst, reversible reaction, equilibrium, or graph context, or they do not answer the exact point being tested.
Common mistake
Misunderstanding Enzyme Function
Students often think that enzymes are consumed in the reactions they catalyze.
Remember that enzymes are not used up in the reaction and can be reused multiple times.
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