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Vitamins and Coenzymes

Vitamins and Coenzymes
Ascorbic acid acts as an

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

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

dihydrofolic acid
hydrofolic acid
tetrahydrofolic acid
trihydrofolic acid

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

Methyl group
Activated carbon dioxide (CO2)
Sulfhydryl group
Ammonia

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Vitamins and Coenzymes
Which of the following compounds/(s) belong/(s) to the vitamin B6 group?

Pyridoxamine
Pyridoxal
Pyridoxine
All of these

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Vitamins and Coenzymes
Acyl carrier protein (ACP) plays an important role in the biosynthesis of

carbohydrates
amino acids
fatty acids
sugars

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Vitamins and Coenzymes
Which of these is a vitamin A precursor?

Cobalamin
Pyridoxine
Beta-Carotene
Thiamine

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