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Vitamins and Coenzymes

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

Pyridoxine
Thiamine
Cobalamin
Beta-Carotene

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Vitamins and Coenzymes
An example of a digestive hormone is

gastrin
amylase
pepsin
lipase

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

Biotin
Folic acid
None of these
Carnitine

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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
A fat-soluble vitamin that regulates blood clotting is

niacin
vitamin A
vitamin C
vitamin K

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Vitamins and Coenzymes
Which of these hormones is a catecholamine?

Norepinephrine
Follitropin
Tetrahydrofolate
Tetraiodothyronine

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