The standard Tire Pressure Monitor registers a loss of pressure in individual tires and warns the driver by activating a signal in the instrument cluster. (topspeed.com)
«In fact, this receptor acts much like an orchestra conductor by activating a signalling pathway required for this important process.» (sciencedaily.com)
Coronatine Promotes Pseudomonas syringae Virulence in Plants by Activating a Signaling Cascade that Inhibits Salicylic Acid Accumulation (btiscience.org)