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Vitamins and Coenzymes

Vitamins and Coenzymes
Which of these molecules is vitamin H?

Folic acid
None of these
Carnitine
Biotin

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

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

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Vitamins and Coenzymes
A deficiency of niacin causes

cataract
anemia
scurvy
pellagra

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

anemia
scurvy
cataract
beri-beri

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Vitamins and Coenzymes
Which of these hormones is a catecholamine?

Tetraiodothyronine
Tetrahydrofolate
Follitropin
Norepinephrine

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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
adenine
5-6 dimethylbenzimidazole
hydroxycobalamin

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