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Vitamins and Coenzymes

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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Vitamins and Coenzymes
Vitamin-D deficiency can cause

rickets
beri-beri
cataract
pernicious anemia

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Vitamins and Coenzymes
Which of these is a vitamin A precursor?

Beta-Carotene
Pyridoxine
Cobalamin
Thiamine

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

none of these
plants and animals both
animal
plants

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Vitamins and Coenzymes
Main function of insulin hormone is to

decrease glycogen in liver
decrease blood sugar
increase glycogen in liver
increase blood sugar

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Vitamins and Coenzymes
Ascorbic acid acts as an

reducing agent
None of these
oxidizing agent
oxidizing and reducing agent both

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