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Vitamins and Coenzymes

Vitamins and Coenzymes
Ascorbic acid acts as an

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

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

Methyl group
Ammonia
Activated carbon dioxide (CO2)
Sulfhydryl group

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Vitamins and Coenzymes
A deficiency of Vitamin K results in a decreased level of

thrombin
fibrin
fibrinogen
prothrombin

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

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

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

None of these
Carnitine
Biotin
Folic acid

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Vitamins and Coenzymes
Which of these hormones is a catecholamine?

Tetrahydrofolate
Tetraiodothyronine
Norepinephrine
Follitropin

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