Flat face I believe is your answer
The process that occurs before hypothesis is Identifying the variables.
During anaphase, sister chromatids are pulled to opposite poles by the spindle fibers in preparation for cleavage.
Autoinducer molecules are signalling molecules that need bacteria. In order for the autoinducer molecules to signal, the bacteria must find a way to initiate the signal and a way to respond to the signal it had created. Autoinducer molecules increase in production as the density of the bacteria cell increases.