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Vitamins and Coenzymes

Vitamins and Coenzymes
Which of these is a symptom of vitamin A deficiency?

Impaired taste perception
Impaired blood clotting
Osteoporosis
Blindness

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

Paul Berg
Albert Szent-Gyorgyi
Linus Pauling
Kerry Mull is

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Vitamins and Coenzymes
Vitamin-C is considered as a

fat soluble
fat and water soluble
none of these
water soluble

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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
Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at

both ends by two disulfide bonds
both ends by one disulfide bond
either end via two disulfide bonds
either end via a single disulfide bond

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

beri-beri
scurvy
anemia
cataract

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