The metal ion present in vitamin B12 is (1) cobalt (2) zinc (3) nickel (4) iron Last Answer : (1) cobalt Explanation: The structure of B12 is based on a corrin ring, which is similar to the porphyrin ring found in heme, chlorophyll, and cytochrome. It contains the biochemically rare element cobalt sitting in the center of the ring. Also called cobalamin, it is a water-soluble vitamin....
The metal, which is a constituent of vitamin B12 is - (1) Iron (2) Magnesium (3) Zinc (4) Cobalt Last Answer : (4) Cobalt Explanation: Vitamin B12 is a "generic descriptor for compounds exhibiting the biologic activity of cyanocobalarnin: the antianemia factor of liver extract that contains cobalt, a cyano group ... lead to anemia, as well as nerve and brain damage, which may eventually become irreversible....
The metal, which is a constituent of vitamin B12 is------? A. Iron B. Magnesium C. Zinc D. Cobalt (Answer) Last Answer : D. Cobalt (Answer)...
The metal ion present in vitamin B12 is : (1) cobalt (2) zinc (3) nickel (4) iron Last Answer : cobalt...
The metal, which is a constituent of vitamin B12 is (1) Iron (2) Magnesium (3) Zinc (4) Cobalt Last Answer : Cobalt...
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