Quorum Sensing

question 5

Multiple Choice

Quorum sensing

• A)is used by bacteria to sense the density of cells.
• B)involves the production and monitoring of the amount of homoserine lactone present.
• C)is used by bacteria to limit the density of bacteria.
• D)is used by eukaryotes to sense the presence of bacteria.
• E)is used by bacteria to sense the density of cells AND involves the production and monitoring of the amount of homoserine lactone present.

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Definitions:

Kin Selection

The evolutionary tendency to help people who have our genes.

Natural Selection

A process in evolutionary biology where individuals or species that are better adapted to their environment tend to survive and reproduce more than those less adapted.

Gene Investment Theory

A theory suggesting that individuals are genetically predisposed to invest resources in ways that maximize the passing of their genes to the next generation.

Survival of the Fittest

A concept in evolutionary biology describing the mechanism by which organisms better adapted to their environment tend to survive and produce more offspring.