Question: what is the difference between rna polymerase 1 2 and 3?
Answer: RNA polymerase is an enzyme that catalyses the synthesis of RNA from DNA. ... RNA pol 2 resides in nucleoplasm and synthesises mRNA, snRNA and micro RNAs. RNA pol 3 is also an nucleoplasmic enzyme but it synthesis a variety of small RNAs including tRNA precursors and 5s rRNA.