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Vitamins and Coenzymes

Vitamins and Coenzymes
A fat-soluble vitamin that regulates blood clotting is

niacin
vitamin K
vitamin C
vitamin A

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Vitamins and Coenzymes
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

none of these
animal
plants and animals both
plants

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

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

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

fatty acids
sugars
carbohydrates
amino acids

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

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Vitamins and Coenzymes
Vitamin-C is considered as a

fat and water soluble
none of these
fat soluble
water soluble

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