The vitamin that is a coenzyme for carboxylases (e.g., pyruvate carboxylase) is:

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Biotin is a coenzyme for carboxylation enzymes, including pyruvate carboxylase (gluconeogenesis) and acetyl-CoA carboxylase (fatty acid synthesis). Thiamine (B₁) is for decarboxylation, riboflavin (B₂) for redox, folate (B₉) for one-carbon transfers. Biotin is often bound to lysine in enzymes.

The vitamin that is a coenzyme for carboxylases (e.g., pyruvate carboxylase) is: MCQ with Answer and Explanation

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