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Vitamins and Coenzymes

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

niacin
vitamin K
vitamin C
vitamin A

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

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

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Vitamins and Coenzymes
Who discovered vitamin C (ascorbic acid)?

Kerry Mull is
Albert Szent-Gyorgyi
Linus Pauling
Paul Berg

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

xeropthalmia
none of these
keratinization
night blindness

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

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

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Vitamins and Coenzymes
The prosthetic group biotin is a carrier of which type of molecule?

Ammonia
Methyl group
Sulfhydryl group
Activated carbon dioxide (CO2)

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