The activity of the following enzyme is affected by biotin deficiency____________?
Correct answer: B. Carboxylase
- A. Transketolase
- B. Carboxylase
- C. Oxidase
- D. Dehydrogenase
Explanation
Biotin carries carbon dioxide in carboxylation reactions, so enzymes such as pyruvate carboxylase and acetyl-CoA carboxylase lose activity during biotin deficiency. Transketolase instead depends on thiamine pyrophosphate.
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