The Metal Ion Present in Vitamin B12 is:

  1. Nickel
  2. Iron
  3. Cobalt
  4. Zinc
Nitin Baudh Learner Asked on 16th August 2015 in Biology.
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1 Answer(s)

Answer:  (3) Cobalt

Anurag Mishra Professor Answered on 16th August 2015.
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