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Vitamins and Coenzymes

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

none of these
keratinization
night blindness
xeropthalmia

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Vitamins and Coenzymes
The absence of ascorbic acid in the human diet gives rise to

cataract
pernicious anemia
rickets
beri-beri

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Vitamins and Coenzymes
The most prominent role that tocopherol has in in-vitro systems is as a strong

antioxidants
all of these
oxidizing agent
reducing agent

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

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

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Vitamins and Coenzymes
What compound of raw egg white causes a syndrome similar to vitamin B deficiency?

Ovalbumin
Albumin
Avidin
Betabindin

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

Iron
Zinc
Copper
Cobalt

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