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Vitamins and Coenzymes

Vitamins and Coenzymes
Which of these molecules is vitamin H?

None of these
Biotin
Folic acid
Carnitine

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

ferredoxin
pyridoxal phosphat
pyrophosphate
FAD

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Vitamins and Coenzymes
Dihydroorotate dehydrogenase contains

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

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

vitamin C
vitamin A
vitamin K
niacin

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

animal
plants
none of these
plants and animals both

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Vitamins and Coenzymes
Vitamin-D deficiency can cause

pernicious anemia
beri-beri
cataract
rickets

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