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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of niacin causes

scurvy
cataract
pellagra
anemia

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

Folic acid
None of these
Carnitine
Biotin

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Vitamins and Coenzymes
Biotin occurs mainly in combined forms bound to protein through

ε-N-lysine moiety
ε-S-lysine moiety
ε-N-lipoyl - L-lysine
ε-N-biotinyl-L-lysine

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

antioxidants
oxidizing agent
reducing agent
all of these

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Vitamins and Coenzymes
The symptoms of retinol excess are

weakness
bone fragility
all of these
nausea

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Vitamins and Coenzymes
The prosthetic group biotin is a carrier of which type of molecule?

Ammonia
Activated carbon dioxide (CO2)
Sulfhydryl group
Methyl group

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