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Vitamins and Coenzymes

Vitamins and Coenzymes
Vitamin B12 (Cobalamin) is only synthesized by

fishes
animals
micro-organisms
plants

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Vitamins and Coenzymes
The vitamin riboflavin is part of the __________ molecule.

FAD
ferredoxin
pyridoxal phosphat
pyrophosphate

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

vitamin A
niacin
vitamin C
vitamin K

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Vitamins and Coenzymes
The symptoms of retinol excess are

weakness
all of these
nausea
bone fragility

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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 a single disulfide bond
either end via two disulfide bonds

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

Copper
Iron
Cobalt
Zinc

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