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Vitamins and Coenzymes

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

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

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Vitamins and Coenzymes
The prosthetic group biotin is a carrier of which type of molecule?

Ammonia
Activated carbon dioxide (CO2)
Methyl group
Sulfhydryl group

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Vitamins and Coenzymes
Who discovered vitamin C (ascorbic acid)?

Paul Berg
Linus Pauling
Kerry Mull is
Albert Szent-Gyorgyi

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Vitamins and Coenzymes
The symptoms of retinol excess are

bone fragility
all of these
nausea
weakness

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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 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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