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Vitamins and Coenzymes

Vitamins and Coenzymes
The prosthetic group biotin is a carrier of which type of molecule?

Methyl group
Ammonia
Sulfhydryl group
Activated carbon dioxide (CO2)

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Vitamins and Coenzymes
A deficiency of niacin causes

scurvy
cataract
anemia
pellagra

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Vitamins and Coenzymes
The absence of ascorbic acid in the human diet gives rise to

rickets
pernicious anemia
beri-beri
cataract

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Vitamins and Coenzymes
In one iron-metalloflavoprotein, the iron is present as a

both (a) and (b)
heme-protein
nonheme type
flavin moiety

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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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Vitamins and Coenzymes
E.coli ACP has its molecular weight as around

90,000
9000
39000
19000

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