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Vitamins and Coenzymes

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

night blindness
xeropthalmia
none of these
keratinization

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

plants
none of these
animal
plants and animals both

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

Folic acid
Carnitine
Biotin
None of these

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Vitamins and Coenzymes
Acyl carrier protein (ACP) plays an important role in the biosynthesis of

sugars
amino acids
carbohydrates
fatty acids

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

beri-beri
cataract
pernicious anemia
scurvy

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

Methyl group
Sulfhydryl group
Ammonia
Activated carbon dioxide (CO2)

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