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In the co-enzyme B₁₂ the position occupied by a cyanide ion in vitamin B₁₂ is bonded directly to the __________ of the ribose of adenosine.

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In the co-enzyme B₁₂ the position occupied by a cyanide ion in vitamin B₁₂ is bonded directly to the __________ of the ribose of adenosine. Answer: adenine

Question context

This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.