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Vitamins and Coenzymes

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

hydrofolic acid
trihydrofolic acid
dihydrofolic acid
tetrahydrofolic acid

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Vitamins and Coenzymes
Vitamins are essential because the organism

None of these
can't synthesize these compounds at all
can synthesize these compounds partially
can't synthesize these compounds in the adequate amounts

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Vitamins and Coenzymes
Main function of insulin hormone is to

increase blood sugar
decrease blood sugar
increase glycogen in liver
decrease glycogen in liver

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Vitamins and Coenzymes
Ascorbic acid acts as an

oxidizing agent
oxidizing and reducing agent both
None of these
reducing agent

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

None of these
Biotin
Folic acid
Carnitine

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

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

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