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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of Vitamin K results in a decreased level of

prothrombin
thrombin
fibrin
fibrinogen

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

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

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

pyrophosphate
FAD
ferredoxin
pyridoxal phosphat

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Vitamins and Coenzymes
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

plants and animals both
plants
animal
none of these

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

Copper
Zinc
Cobalt
Iron

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

scurvy
anemia
cataract
beri-beri

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