Question:

Match the LIST-I (Vitamin) with LIST-II (Biochemical pathways):

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B6 (Pyridoxine) = Amino group transfer. This is a fundamental link in protein metabolism.
Updated On: May 28, 2026
  • A-II, B-IV, C-III, D-I
  • A-I, B-III, C-IV, D-II
  • A-I, B-IV, C-II, D-III
  • A-I, B-IV, C-III, D-II
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The Correct Option is D

Solution and Explanation

Step 1: Concept
Vitamins function as essential coenzymes or precursors to coenzymes in various metabolic reactions.

Step 2: Meaning

Each B-vitamin has a specific chemical role, such as transferring groups or facilitating redox reactions.

Step 3: Analysis

Vitamin B1 (Thiamine) is involved in carbonyl (aldehyde) group transfer (A-I). Vitamin B12 (Cobalamin) is essential for alkylation and methyl group transfer (B-IV). Vitamin B2 (Riboflavin) forms FAD/FMN for oxidation-reduction reactions (C-III). Vitamin B6 (Pyridoxine) is the primary coenzyme for amino group transfer (transamination) (D-II).

Step 4: Conclusion

The correct matching is A-I, B-IV, C-III, D-II.

Final Answer: (D)
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