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Vitamins and Coenzymes

Vitamins and Coenzymes
What metal ion is specifically bound by vitamin B12?

Copper
Zinc
Iron
Cobalt

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

beri-beri
scurvy
cataract
pernicious anemia

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Vitamins and Coenzymes
Which of these hormones is a catecholamine?

Follitropin
Tetraiodothyronine
Tetrahydrofolate
Norepinephrine

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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
An early sign of retinol deficiencies in man is

night blindness
keratinization
xeropthalmia
none of these

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

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

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