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Vitamins and Coenzymes

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

Impaired taste perception
Osteoporosis
Blindness
Impaired blood clotting

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

Folic acid
None of these
Carnitine
Biotin

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

tetrahydrofolic acid
dihydrofolic acid
hydrofolic acid
trihydrofolic acid

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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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Vitamins and Coenzymes
Which of the following are reduced coenzymes?

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

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

cataract
scurvy
beri-beri
pernicious anemia

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