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Vitamins and Coenzymes

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

pyrophosphate
pyridoxal phosphat
FAD
ferredoxin

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Vitamins and Coenzymes
A deficiency of niacin causes

cataract
scurvy
anemia
pellagra

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Vitamins and Coenzymes
In one iron-metalloflavoprotein, the iron is present as a

nonheme type
both (a) and (b)
heme-protein
flavin moiety

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Vitamins and Coenzymes
A fat-soluble vitamin that regulates blood clotting is

vitamin K
vitamin A
vitamin C
niacin

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

fishes
micro-organisms
plants
animals

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

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

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