The signal transduction pathway is the mechanism by which the energy of a photon signals a mechanism in the cell that leads to its electrical polarization. 1  This polarization ultimately leads to either the transmittance or inhibition of a neural signal that will be fed to the brain via the optic nerve.
The Inland Empire (I.E.) is a metropolitan area and region of Southern California. It is situated directly east of the Los Angeles metropolitan area.
LA/Ontario International Airport (IATA: ONT, ICAO: KONT), owned by the city of Los Angeles; serves the Inland Empire. This airport is located to the east, in the bedroom community city of Ontario, California and is the next most prominent airport after LAX.