Multiple choice

The substance present in dental plaques or patches is

  1. dextrans

  2. glycogen

  3. inulin

  4. cellulose

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A Correct answer
Explanation

They  are also a class of storage homo-poly-saccharides of branched linear chains of D-glucose, but the sub units in these are linked by a, 1-6 instead of a, 1-4 glycosidic bonds. They are secreted as sugary slimes by yeast and certain bacteria. Bacteria growing on surfaces of our teeth produce dextran which becomes important component of dental plaques or patches.

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