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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of niacin causes

cataract
pellagra
scurvy
anemia

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Vitamins and Coenzymes
The occurrence of metals such as iron or molybdenum in some flavoproteins can

form chelation
de-stabilize the semiquinone
stabilize the semiquinone
all of these

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Vitamins and Coenzymes
Which of the following are reduced coenzymes?

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

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

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

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Vitamins and Coenzymes
A deficiency of thiamin produces the disease known as

beri-beri
cataract
scurvy
anemia

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Vitamins and Coenzymes
Vitamin-D deficiency can cause

cataract
pernicious anemia
beri-beri
rickets

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