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Multiple Choice
What is the primary role of a coenzyme in biochemical reactions?
A
To serve as a temporary carrier of specific atoms or functional groups
B
To permanently bind to the active site of an enzyme
C
To act as a catalyst and increase the rate of reaction
D
To provide structural support to enzymes
Verified step by step guidance
1
Understand the role of coenzymes in biochemical reactions. Coenzymes are organic non-protein molecules that bind temporarily to enzymes to assist in the catalysis of reactions.
Recognize that coenzymes often act as carriers for specific atoms or functional groups during the reaction process. This means they help transfer these groups from one molecule to another.
Differentiate between coenzymes and other enzyme helpers. Unlike cofactors, which can be metal ions, coenzymes are organic molecules and are not permanently bound to the enzyme.
Consider the temporary nature of coenzyme binding. Coenzymes bind to the enzyme only during the reaction and are released afterward, allowing them to participate in multiple reactions.
Reflect on the options provided. The primary role of a coenzyme is not to permanently bind to the enzyme, act as a catalyst, or provide structural support, but rather to serve as a temporary carrier of specific atoms or functional groups.