Multiple choice

Which of the following is secreted as sugary slimes by yeast and certain bacteria?

  1. Glycogen

  2. Inulin

  3. Dextrans

  4. Cellulose

Reveal answer Fill a bubble to check yourself
C 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. These 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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