In this article we will. Transcription can be divided into three stages. What Are We Made Of The Unit Of Life Biology Lessons Biology Classroom Teaching Biology Get the RNA in the DNA and seereadget what you need and start copying. . Moreover 99 of the genes appear to spend more time off than on In cells taken directly from mice transcriptional active genes share 200400 RNA polymerase II-enriched. DNA transcription is the process by which the genetic information contained within DNA is re-written into messenger RNA mRNA by RNA polymeraseThis mRNA then exits the nucleus where it acts as the basis for the translation of DNA. MRNA leaves nucleus through nuclear pores goes into cytoplasm. 1 initiation 2 elongation and 3 termination. This consists of ____ which cleaves off the introns by binding near the ends of the exons and join together - cleaved introns. RNA polymerase builds mRNA on the new template Strand by adding bases