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Vitamins and Coenzymes

Vitamins and Coenzymes
Vitamin-C is considered as a

fat soluble
water soluble
fat and water soluble
none of these

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Vitamins and Coenzymes
In the co-enzyme B12the position occupied by a cyanide ion in vitamin B12 is bonded directly to the __________ of the ribose of adenosine.

5-6 dimethylbenzimidazole
adenine
hydroxycobalamin
cyanocobalamin

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Vitamins and Coenzymes
What metal ion is specifically bound by vitamin B12?

Cobalt
Copper
Iron
Zinc

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Vitamins and Coenzymes
Vitamin B12 is useful in the prevention and treatment of

scurvy
cataract
pernicious anemia
beri-beri

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Vitamins and Coenzymes
The absence of ascorbic acid in the human diet gives rise to

pernicious anemia
cataract
beri-beri
rickets

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Vitamins and Coenzymes
A deficiency of thiamin produces the disease known as

cataract
beri-beri
scurvy
anemia

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