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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of niacin causes

scurvy
anemia
cataract
pellagra

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Vitamins and Coenzymes
An example of a digestive hormone is

amylase
pepsin
gastrin
lipase

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

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

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

pyridoxal phosphat
pyrophosphate
ferredoxin
FAD

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Vitamins and Coenzymes
In the co-enzyme B12the position occupied by a cyanide ion in vitamin B12 is bonded directly to the __________ of the ribose of adenosine.

adenine
cyanocobalamin
5-6 dimethylbenzimidazole
hydroxycobalamin

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

reducing agent
all of these
oxidizing agent
antioxidants

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