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Vitamins and Coenzymes

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

Albumin
Betabindin
Ovalbumin
Avidin

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

ferredoxin
pyridoxal phosphate
NAD+
pyrophosphate

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Vitamins and Coenzymes
Selenium is an essential component of the enzyme glutathione peroxidase which

scavenges toxic hydoperoxycompounds in tissues
oxidizes toxic hydoperoxycompounds in tissues
None of these
reduces toxic hydoperoxycompounds in tissues

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

Cobalt
Zinc
Copper
Iron

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Vitamins and Coenzymes
Lipoic acid exists in

oxidized form
reduced form
none of these
oxidized and reduced form both

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