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Vitamins and Coenzymes

Vitamins and Coenzymes
The most prominent role that tocopherol has in in-vitro systems is as a strong

all of these
antioxidants
oxidizing agent
reducing agent

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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
A fat-soluble vitamin that regulates blood clotting is

vitamin K
vitamin C
niacin
vitamin A

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

scurvy
beri-beri
pernicious anemia
cataract

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

None of these
Carnitine
Folic acid
Biotin

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

animal
none of these
plants and animals both
plants

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