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Vitamins and Coenzymes

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

pyrophosphate
ferredoxin
FAD
pyridoxal phosphat

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Vitamins and Coenzymes
The disease Beriberi is due to a dietary deficiency in

vitamin B2 (riboflavin)
vitamin B1 (thiamine)
vitamin B6 (pyridoxine)
vitamin B12

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

none of these
night blindness
keratinization
xeropthalmia

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Vitamins and Coenzymes
E.coli ACP has its molecular weight as around

9000
19000
90,000
39000

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

Iron
Cobalt
Zinc
Copper

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

oxidizing agent
all of these
reducing agent
antioxidants

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