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Vitamins and Coenzymes

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

Cobalt
Copper
Zinc
Iron

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Vitamins and Coenzymes
Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of

six isoprene units
four isoprene units
four isoprene units
nine isoprene units

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Vitamins and Coenzymes
Which of the following are reduced coenzymes?

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

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Vitamins and Coenzymes
A deficiency of niacin causes

scurvy
pellagra
anemia
cataract

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

Linus Pauling
Paul Berg
Albert Szent-Gyorgyi
Kerry Mull is

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

beri-beri
pernicious anemia
rickets
cataract

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MORE MCQ ON Vitamins and Coenzymes

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