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Vitamins and Coenzymes

Vitamins and Coenzymes
Vitamin B12 is useful in the prevention and treatment of

pernicious anemia
beri-beri
cataract
scurvy

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

Biotin
Carnitine
Folic acid
None of these

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Vitamins and Coenzymes
Dihydroorotate dehydrogenase contains

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

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Vitamins and Coenzymes
The symptoms of retinol excess are

nausea
bone fragility
weakness
all of these

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Vitamins and Coenzymes
Which of these hormones is a catecholamine?

Follitropin
Tetraiodothyronine
Norepinephrine
Tetrahydrofolate

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

thrombin
fibrinogen
prothrombin
fibrin

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