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Vitamins and Coenzymes

Vitamins and Coenzymes
Which of the following are reduced coenzymes?

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

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Vitamins and Coenzymes
Vitamin-D deficiency can cause

pernicious anemia
rickets
cataract
beri-beri

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Vitamins and Coenzymes
In the co-enzyme B12the position occupied by a cyanide ion in vitamin B12 is bonded directly to the __________ of the ribose of adenosine.

adenine
cyanocobalamin
5-6 dimethylbenzimidazole
hydroxycobalamin

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Vitamins and Coenzymes
Vitamins are essential because the organism

can't synthesize these compounds at all
can synthesize these compounds partially
can't synthesize these compounds in the adequate amounts
None of these

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Vitamins and Coenzymes
The absence of ascorbic acid in the human diet gives rise to

pernicious anemia
beri-beri
rickets
cataract

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

Sulfhydryl group
Methyl group
Activated carbon dioxide (CO2)
Ammonia

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