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Vitamins and Coenzymes

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

hydrofolic acid
tetrahydrofolic acid
dihydrofolic acid
trihydrofolic acid

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Vitamins and Coenzymes
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

none of these
plants and animals both
plants
animal

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Vitamins and Coenzymes
Which of these hormones is a catecholamine?

Tetraiodothyronine
Follitropin
Tetrahydrofolate
Norepinephrine

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Vitamins and Coenzymes
Vitamins are essential because the organism

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

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Vitamins and Coenzymes
Main function of insulin hormone is to

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

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Vitamins and Coenzymes
Ascorbic acid acts as an

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

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