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Vitamins and Coenzymes

Vitamins and Coenzymes
Which of the following are reduced coenzymes?

ATP and GTP
NAD+ and FAD
Coenzyme A and ubiquinone
NADH and FADH2

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

Thiamine
Beta-Carotene
Cobalamin
Pyridoxine

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

NAD+
ferredoxin
pyrophosphate
pyridoxal phosphate

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Vitamins and Coenzymes
Main function of insulin hormone is to

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

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

cataract
pernicious anemia
beri-beri
scurvy

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Vitamins and Coenzymes
Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of

six isoprene units
four isoprene units
four isoprene units
nine isoprene units

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