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Vitamins and Coenzymes

Vitamins and Coenzymes
The symptoms of retinol excess are

weakness
bone fragility
nausea
all of these

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

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

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Vitamins and Coenzymes
The most prominent role that tocopherol has in in-vitro systems is as a strong

reducing agent
oxidizing agent
antioxidants
all of these

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Vitamins and Coenzymes
An enzyme, L-folate reductase reduces folic acid to

trihydrofolic acid
dihydrofolic acid
tetrahydrofolic acid
hydrofolic acid

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Vitamins and Coenzymes
Dihydroorotate dehydrogenase contains

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

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

9000
90,000
39000
19000

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