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Dextran is a polysaccharide (a chain of simple sugars) composed of glucose monomers (units of a polymer, such as a polysaccharide).

It is used by bacteria and yeasts as a means of storing food energy. When dextrans are formed out of sucrose by bacteria in the mouth, they help create dental plaque.


Based on work I did for the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

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