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Vitamins and Coenzymes

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

xeropthalmia
none of these
night blindness
keratinization

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Vitamins and Coenzymes
A deficiency of thiamin produces the disease known as

beri-beri
cataract
scurvy
anemia

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

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

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

pyridoxal phosphat
FAD
ferredoxin
pyrophosphate

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Vitamins and Coenzymes
Which of the following compounds/(s) belong/(s) to the vitamin B6 group?

Pyridoxal
Pyridoxamine
Pyridoxine
All of these

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Vitamins and Coenzymes
Vitamin B12 (Cobalamin) is only synthesized by

animals
micro-organisms
fishes
plants

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