In mammals, which one of the following vitamins is required in amino group transfer reaction?
Show Hint
- Riboflavin
- Pantothenic acid
- Folic acid
- Pyridoxine
The Correct Option is D
Solution and Explanation
Step 1: Understanding amino group transfer reactions.
Amino group transfer reactions, such as transamination, are vital in amino acid metabolism. Pyridoxine (vitamin B6) is a coenzyme involved in these reactions. It facilitates the transfer of amino groups between amino acids and keto acids.
Step 2: Analyzing the options.
(A)Riboflavin: Riboflavin is involved in redox reactions but does not play a direct role in amino group transfer.
(B)Pantothenic acid: Pantothenic acid is part of Coenzyme A and is involved in fatty acid metabolism, not amino group transfer.
(C)Folic acid: Folic acid is involved in one-carbon metabolism, particularly in the synthesis of nucleotides, but it is not involved in amino group transfer.
(D)Pyridoxine: Correct — Pyridoxine (vitamin B6) is essential for amino group transfer reactions, acting as a coenzyme in transamination processes.
Step 3: Conclusion.
The correct answer is (D)Pyridoxine, as it plays a crucial role in amino group transfer reactions in mammals.
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