Which statement is FALSE?a$)$ A conformational change in the lac repressor is initiated by the binding of allolactose.b$)$ The $-35$ and $-10$ regions of the promoter are important for RNA polymerase binding in E$.$ coli$\mathrm{.}13$c$)$ Basal transcription factors are sufficient to initiate transcription in eukaryotes.d$)$ mRNA transcript stability directly affects protein concentration in the cell.