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Vitamins and Coenzymes

Vitamins and Coenzymes
Which of these hormones is a catecholamine?

Norepinephrine
Tetraiodothyronine
Follitropin
Tetrahydrofolate

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Vitamins and Coenzymes
The vitamin niacin is part of the __________ molecule.

pyrophosphate
ferredoxin
NAD+
pyridoxal phosphate

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

amino acids
carbohydrates
fatty acids
sugars

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

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

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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
Which of these is a symptom of vitamin A deficiency?

Impaired taste perception
Impaired blood clotting
Osteoporosis
Blindness

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