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Vitamins and Coenzymes

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

xeropthalmia
night blindness
none of these
keratinization

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

cataract
scurvy
beri-beri
anemia

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Vitamins and Coenzymes
Which of the following are reduced coenzymes?

NADH and FADH2
ATP and GTP
Coenzyme A and ubiquinone
NAD+ and FAD

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Vitamins and Coenzymes
Vitamin B12 is useful in the prevention and treatment of

beri-beri
pernicious anemia
scurvy
cataract

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

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

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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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