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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of niacin causes

cataract
anemia
scurvy
pellagra

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Vitamins and Coenzymes
The disease Beriberi is due to a dietary deficiency in

vitamin B2 (riboflavin)
vitamin B6 (pyridoxine)
vitamin B1 (thiamine)
vitamin B12

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Vitamins and Coenzymes
Which of these is a vitamin A precursor?

Beta-Carotene
Cobalamin
Thiamine
Pyridoxine

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Vitamins and Coenzymes
Acyl carrier protein (ACP) plays an important role in the biosynthesis of

amino acids
sugars
fatty acids
carbohydrates

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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
The reductant, NADH, transfers the electrons via a flavo-proteins to the specific disulfide (S-S) protein to form a dithiol (SH,SH) protein which converts vitamin

B12(Co2+)to B12(Co+)
B12(Co) to B12(Co2+)
B12(Co+)to B12(Co2+)
B12(Co2+)to B12(Co)

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