Before revision: Single-cell gene expression is inherently stochastic , its emergent behavior can be defined in terms of the chemical master equation describing the evolution of the mRNA and protein copy numbers as the latter N\rightarrow\infty .
After revision: Single-cell gene expression is inherently stochastic , its emergent behavior can be defined in terms of the chemical master equation describing the evolution of the mRNA and protein copy numbers as the latter tends to infinity .