Experiment Two

Strain B is spread on each half of a culture plate that contains nutrient media for the bacteria. Bacteria are cultured overnight, allowing the population to double many times and grow to high density.

Do you predict that the bacteria will light up or not? Why?

A dish with both halves marked B, a swab, and a test tube marked B. There is no bioluminescence.
Mutant strain B spread on each half of culture plate
Strain B: Light genes and Receptor are highlighted, Signal genes are dimmed.
Mutant strain B system