sentences:  RNA polymerase III (Pol III) transcribes small non-coding RNAs, including tRNAs, 5S rRNA, U6 snRNA, SRP RNA, and other stable short RNAs such as ribonuclease P RNA.RNA Polymerases I, II, and III contain 14, 12, and 17 subunits, respectively.All three eukaryotic polymerases have five core subunits that exhibit homology with the β, β’, αI, αII, and ω subunits of E. coli RNA polymerase.