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Vitamins and Coenzymes

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

Pyridoxine
Beta-Carotene
Thiamine
Cobalamin

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Vitamins and Coenzymes
Main function of insulin hormone is to

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

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Vitamins and Coenzymes
The symptoms of retinol excess are

all of these
weakness
nausea
bone fragility

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

Copper
Iron
Zinc
Cobalt

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

FAD
pyrophosphate
ferredoxin
pyridoxal phosphat

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Vitamins and Coenzymes
Vitamin-C is considered as a

fat and water soluble
fat soluble
none of these
water soluble

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