Question detail
Which statement correctly describes enzymes?
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. Enzymes are used up in reactions.
- B. Enzymes lower the activation energy of reactions.
- C. Enzymes change the equilibrium of reactions.
- D. Enzymes are not specificto substrates.
Answer
Enzymes lower the activation energy of reactions.
Explanation
The correct answer is Enzymes lower the activation energy of reactions.. This answer directly addresses the question: Which statement correctly describes enzymes? 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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