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Vitamins and Coenzymes

Vitamins and Coenzymes
Ascorbic acid acts as an

None of these
reducing agent
oxidizing agent
oxidizing and reducing agent both

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

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

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

vitamin K
vitamin C
vitamin A
niacin

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

anemia
scurvy
beri-beri
cataract

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

Paul Berg
Kerry Mull is
Linus Pauling
Albert Szent-Gyorgyi

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Vitamins and Coenzymes
Lipoic acid is a co-factor of the

pyruvic dehydrogenase
di-hydroorotate dehydrogenase
α-ketoglutaric dehydrogenase
both (a) and (b)

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