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Vitamins and Coenzymes

Vitamins and Coenzymes
The vitamin riboflavin is part of the __________ molecule.

pyridoxal phosphat
pyrophosphate
ferredoxin
FAD

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Vitamins and Coenzymes
Ascorbic acid acts as an

oxidizing and reducing agent both
None of these
reducing agent
oxidizing 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
Who discovered vitamin C (ascorbic acid)?

Kerry Mull is
Paul Berg
Linus Pauling
Albert Szent-Gyorgyi

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

Ammonia
Sulfhydryl group
Methyl group
Activated carbon dioxide (CO2)

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

xeropthalmia
keratinization
none of these
night blindness

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