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Vitamins and Coenzymes

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

hydrofolic acid
dihydrofolic acid
tetrahydrofolic acid
trihydrofolic acid

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Vitamins and Coenzymes
Vitamin B12 is useful in the prevention and treatment of

pernicious anemia
beri-beri
cataract
scurvy

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Vitamins and Coenzymes
Biotin occurs mainly in combined forms bound to protein through

ε-N-biotinyl-L-lysine
ε-N-lysine moiety
ε-N-lipoyl - L-lysine
ε-S-lysine moiety

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Vitamins and Coenzymes
An example of a digestive hormone is

amylase
pepsin
lipase
gastrin

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

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

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Vitamins and Coenzymes
Which of these is a symptom of vitamin A deficiency?

Impaired taste perception
Blindness
Osteoporosis
Impaired blood clotting

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