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Vitamins and Coenzymes

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

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

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Vitamins and Coenzymes
An early sign of retinol deficiencies in man is

keratinization
none of these
night blindness
xeropthalmia

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Vitamins and Coenzymes
Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at

either end via a single disulfide bond
both ends by one disulfide bond
either end via two disulfide bonds
both ends by two disulfide bonds

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

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

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Vitamins and Coenzymes
Which of these is a symptom of vitamin A deficiency?

Osteoporosis
Impaired blood clotting
Impaired taste perception
Blindness

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

cataract
beri-beri
pernicious anemia
rickets

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