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Vitamins and Coenzymes

Vitamins and Coenzymes
Vitamin-D deficiency can cause

rickets
cataract
beri-beri
pernicious anemia

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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
Vitamin B12 is useful in the prevention and treatment of

cataract
pernicious anemia
scurvy
beri-beri

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

plants
animal
plants and animals both
none of these

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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
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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