Question

How do unicellular organisms use quorum sensing to communicate with other individuals?

a. Individual signaling molecules released from one prokaryote bind to a single receptor on another prokaryote.
b. Individual cells release signals that bind to receptors on other cells within the same organism.
c. When signaling molecules secreted by cells reach a high concentration, they are used as a measure of population density.
d. When signaling molecules are secreted from unicellular organisms, they correlate one to one to the number of cells that are present

Answer 1

the correct answer to your question is c. When signaling molecules secreted by cells reach a high concentration, they are used as a measure of population density 2

Step-by-step explanation:

Quorum sensing is a process of cell-to-cell communication by which individual cells regulate their phenotype in response to the extracellular concentration of small molecules 1. Unicellular organisms use quorum sensing to coordinate their activities and ensure that they function correctly 2.

In unicellular organisms, quorum sensing is used to detect population density (how many other cells are in the area) and change their behavior accordingly 2. When signaling molecules secreted by cells reach a high concentration, they are used as a measure of population density 2. For example, bacteria use chemical signals to detect population density and change their behavior accordingly.