Multiple choice

Bacteria communicate density in a biofilm by

  1. conjugation

  2. secreting matrix

  3. quorum sensing

  4. streaming
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Quorum sensing is the mechanism by which bacteria monitor their population density through the secretion and detection of chemical signaling molecules. Once a threshold concentration is reached, the bacteria coordinate group behaviors like biofilm formation.

Keep practicing — related questions