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Vitamins and Coenzymes

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

prothrombin
thrombin
fibrinogen
fibrin

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

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

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Vitamins and Coenzymes
Vitamins are essential because the organism

None of these
can synthesize these compounds partially
can't synthesize these compounds at all
can't synthesize these compounds in the adequate amounts

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Vitamins and Coenzymes
An example of a digestive hormone is

lipase
pepsin
amylase
gastrin

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

Copper
Zinc
Iron
Cobalt

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Vitamins and Coenzymes
Dihydroorotate dehydrogenase contains

4 flavins and 4 atoms of iron per molecule
2 flavins and 4 atoms of iron per molecule
2 flavins and 2 atoms of iron per molecule
4 flavins and 2 atoms of iron per molecule

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