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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of thiamin produces the disease known as

anemia
beri-beri
cataract
scurvy

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Vitamins and Coenzymes
What metal ion is specifically bound by vitamin B12?

Zinc
Cobalt
Iron
Copper

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

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Vitamins and Coenzymes
Which of the following are reduced coenzymes?

Coenzyme A and ubiquinone
NAD+ and FAD
ATP and GTP
NADH and FADH2

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

Kerry Mull is
Linus Pauling
Paul Berg
Albert Szent-Gyorgyi

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Vitamins and Coenzymes
The symptoms of retinol excess are

nausea
all of these
bone fragility
weakness

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