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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of Vitamin K results in a decreased level of

fibrin
thrombin
fibrinogen
prothrombin

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

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

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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
An example of a digestive hormone is

pepsin
gastrin
amylase
lipase

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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.

5-6 dimethylbenzimidazole
cyanocobalamin
hydroxycobalamin
adenine

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Vitamins and Coenzymes
Acyl carrier protein (ACP) plays an important role in the biosynthesis of

amino acids
sugars
fatty acids
carbohydrates

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