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Vitamins and Coenzymes

Vitamins and Coenzymes
Ascorbic acid acts as an

oxidizing agent
reducing agent
oxidizing and reducing agent both
None of these

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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.

cyanocobalamin
5-6 dimethylbenzimidazole
hydroxycobalamin
adenine

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Vitamins and Coenzymes
Vitamins are essential because the organism

can't synthesize these compounds in the adequate amounts
None of these
can synthesize these compounds partially
can't synthesize these compounds at all

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

Cobalt
Copper
Zinc
Iron

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Vitamins and Coenzymes
An example of a digestive hormone is

pepsin
lipase
gastrin
amylase

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

19000
90,000
9000
39000

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