Figure 2
From: Noise-induced switches in network systems of the genetic toggle switch
(a) The external noise introduced into the degradation rate can induce successive switching between two stable steady states for a moderate noise intensity D = 0.02; (b) The dependence relationship of the protein concentrations, [LacI] and [λ CI], on the external noise intensity D, where the solid curves represent fitting results. See the context for parameter settings.