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Vitamins and Coenzymes

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

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

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Vitamins and Coenzymes
An early sign of retinol deficiencies in man is

keratinization
xeropthalmia
none of these
night blindness

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Vitamins and Coenzymes
A deficiency of niacin causes

cataract
pellagra
anemia
scurvy

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Vitamins and Coenzymes
Ascorbic acid acts as an

oxidizing agent
oxidizing and reducing agent both
None of these
reducing agent

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Vitamins and Coenzymes
Vitamin-D deficiency can cause

pernicious anemia
cataract
rickets
beri-beri

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Vitamins and Coenzymes
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

plants and animals both
none of these
animal
plants

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