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Vitamins and Coenzymes

Vitamins and Coenzymes
A fat-soluble vitamin that regulates blood clotting is

vitamin C
vitamin K
vitamin A
niacin

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Vitamins and Coenzymes
The disease Beriberi is due to a dietary deficiency in

vitamin B1 (thiamine)
vitamin B2 (riboflavin)
vitamin B6 (pyridoxine)
vitamin B12

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Vitamins and Coenzymes
In one iron-metalloflavoprotein, the iron is present as a

heme-protein
nonheme type
both (a) and (b)
flavin moiety

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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
hydroxycobalamin
cyanocobalamin
adenine

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Vitamins and Coenzymes
Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at

either end via two disulfide bonds
either end via a single disulfide bond
both ends by one disulfide bond
both ends by two disulfide bonds

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Vitamins and Coenzymes
Vitamin-C is considered as a

none of these
water soluble
fat soluble
fat and water soluble

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