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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of niacin causes

anemia
pellagra
cataract
scurvy

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Vitamins and Coenzymes
Which of these is a symptom of vitamin A deficiency?

Osteoporosis
Blindness
Impaired blood clotting
Impaired taste perception

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

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

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

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

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

vitamin A
vitamin K
vitamin C
niacin

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Vitamins and Coenzymes
Vitamin B12 (Cobalamin) is only synthesized by

micro-organisms
fishes
animals
plants

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