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.
1 TWO GREAT LOCATIONS SERVING THE DESERT CITIES. 2  SAN BERNARDINO â CENTRALLY LOCATED IN THE INLAND EMPIRE. 3  GARDENA â SERVING LOS ANGELES, THE SOUTH BAY, SAN FERNANDO VALLEY, CALIFORNIA CENTRAL COAST. 4  LAGUNA NIGUEL â SERVING ORANGE COUNTY AND SAN DIEGO COUNTY.