Multiple Choice
In the context of catalysis, are enzymes changed by the reaction taking place?
31. Catalysis in Organic Reactions
Introduction to Catalysis
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In the context of enzyme catalysis, can an enzyme be used more than once in a reaction?
A
Yes, enzymes are reusable and can catalyze multiple reactions.
B
No, enzymes must be regenerated after each reaction.
C
No, enzymes are consumed in the reaction and cannot be reused.
D
Yes, but only if the reaction is reversible.
Verified step by step guidance1
Understand the role of enzymes in catalysis: Enzymes are biological catalysts that speed up chemical reactions without being consumed in the process.
Recognize the reusability of enzymes: Enzymes can be used repeatedly in multiple reaction cycles because they are not altered permanently by the reaction they catalyze.
Consider the nature of enzyme action: Enzymes lower the activation energy of a reaction, allowing it to proceed faster, and they return to their original state after the reaction.
Evaluate the options: The correct understanding is that enzymes are reusable and can catalyze multiple reactions, which aligns with the first option provided.
Clarify misconceptions: Enzymes do not need to be regenerated after each reaction, nor are they consumed, and their reusability is not limited to reversible reactions.
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