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Vitamins and Coenzymes

Vitamins and Coenzymes
An enzyme, L-folate reductase reduces folic acid to

dihydrofolic acid
trihydrofolic acid
hydrofolic acid
tetrahydrofolic acid

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

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

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Vitamins and Coenzymes
Acyl carrier protein (ACP) plays an important role in the biosynthesis of

fatty acids
amino acids
carbohydrates
sugars

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

vitamin C
niacin
vitamin K
vitamin A

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Vitamins and Coenzymes
Vitamin-D deficiency can cause

cataract
beri-beri
pernicious anemia
rickets

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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.

cyanocobalamin
hydroxycobalamin
5-6 dimethylbenzimidazole
adenine

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