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Vitamins and Coenzymes

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

Ammonia
Activated carbon dioxide (CO2)
Methyl group
Sulfhydryl group

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Vitamins and Coenzymes
Vitamin-C is considered as a

fat and water soluble
water soluble
none of these
fat soluble

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Vitamins and Coenzymes
Ascorbic acid acts as an

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

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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
Selenium is an essential component of the enzyme glutathione peroxidase which

None of these
reduces toxic hydoperoxycompounds in tissues
scavenges toxic hydoperoxycompounds in tissues
oxidizes toxic hydoperoxycompounds in tissues

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Vitamins and Coenzymes
A deficiency of Vitamin K results in a decreased level of

prothrombin
fibrinogen
thrombin
fibrin

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