Micro & Immunology · single question
Which polysaccharide contributes most to the adherent (sticky) properties of dental plaque?
Show answer and explanation
Correct answer: A. Dextran
- A. Correct. Dextran (a glucan synthesized by glucosyltransferase from sucrose) mediates bacterial adhesion and plaque cohesion.
- B. Glycogen is an intracellular storage polysaccharide, not the adhesive matrix.
- C. Cellulose is a plant structural polysaccharide, not produced in plaque.
- D. Starch is a dietary substrate, not the adhesive plaque polymer.
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