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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of niacin causes

scurvy
anemia
cataract
pellagra

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

cataract
beri-beri
anemia
scurvy

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

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

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

night blindness
keratinization
xeropthalmia
none of these

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Vitamins and Coenzymes
Ascorbic acid acts as an

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

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Vitamins and Coenzymes
Lipoic acid is a co-factor of the

pyruvic dehydrogenase
α-ketoglutaric dehydrogenase
di-hydroorotate dehydrogenase
both (a) and (b)

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