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Vitamins and Coenzymes

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

fatty acids
sugars
amino acids
carbohydrates

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

FAD
ferredoxin
pyridoxal phosphat
pyrophosphate

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

pernicious anemia
rickets
beri-beri
cataract

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

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

keratinization
xeropthalmia
night blindness
none of these

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Vitamins and Coenzymes
Biotin occurs mainly in combined forms bound to protein through

ε-N-lipoyl - L-lysine
ε-N-lysine moiety
ε-S-lysine moiety
ε-N-biotinyl-L-lysine

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