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Vitamins and Coenzymes

Vitamins and Coenzymes
The vitamin riboflavin is part of the __________ molecule.

pyridoxal phosphat
FAD
ferredoxin
pyrophosphate

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Vitamins and Coenzymes
Which of the following compounds/(s) belong/(s) to the vitamin B6 group?

All of these
Pyridoxal
Pyridoxine
Pyridoxamine

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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.

hydroxycobalamin
adenine
cyanocobalamin
5-6 dimethylbenzimidazole

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Vitamins and Coenzymes
A deficiency of niacin causes

cataract
anemia
pellagra
scurvy

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Vitamins and Coenzymes
The vitamin niacin is part of the __________ molecule.

NAD+
ferredoxin
pyrophosphate
pyridoxal phosphate

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Vitamins and Coenzymes
Lipoic acid is a co-factor of the

di-hydroorotate dehydrogenase
α-ketoglutaric dehydrogenase
pyruvic dehydrogenase
both (a) and (b)

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