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Vitamins and Coenzymes

Vitamins and Coenzymes
An early sign of retinol deficiencies in man is

keratinization
xeropthalmia
none of these
night blindness

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

trihydrofolic acid
tetrahydrofolic acid
hydrofolic acid
dihydrofolic acid

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

Blindness
Osteoporosis
Impaired blood clotting
Impaired taste perception

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Vitamins and Coenzymes
The disease Beriberi is due to a dietary deficiency in

vitamin B1 (thiamine)
vitamin B12
vitamin B2 (riboflavin)
vitamin B6 (pyridoxine)

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Vitamins and Coenzymes
Who discovered vitamin C (ascorbic acid)?

Kerry Mull is
Paul Berg
Linus Pauling
Albert Szent-Gyorgyi

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Vitamins and Coenzymes
Vitamin-C is considered as a

water soluble
fat and water soluble
fat soluble
none of these

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