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Vitamins and Coenzymes

Vitamins and Coenzymes
In one iron-metalloflavoprotein, the iron is present as a

heme-protein
both (a) and (b)
nonheme type
flavin moiety

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

Biotin
None of these
Carnitine
Folic acid

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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
Which of the following are reduced coenzymes?

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

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

cataract
scurvy
beri-beri
pernicious anemia

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Vitamins and Coenzymes
Vitamin-C is considered as a

water soluble
fat soluble
fat and water soluble
none of these

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