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Transcription elongation in prokaryotes – This lecture explains about the prokaryotic transcription elongation. The elongation segment of transcription refers back to the system via which nucleotides are delivered to the developing RNA chain. As the RNA polymerase strikes down the DNA template strand, the open complicated bubble moves also. The bubble is of a constant quantity of nucleotides, meaning that at the main finish of the bubble the DNA helix is being unwound, while at its trailing end the single strands are being rejoined. Whereas separation of the DNA helix is everlasting in replication, it is just temporary in transcription. Depicts the opening steps in transcription up to elongation and the relative positions of the bubble and the polymerase holoenzyme. Because the figure indicates, within the open problematic bubble the DNA and RNA type a hybrid or joint tricky. The special size of this region is unknown, however it is notion to be between 3 and 12 base pairs lengthy and is located on the growing 3' end of the RNA. The figure also illustrates how the 5' tail finish of the RNA chain is separate from, versus base paired to, the DNA template strand. That is an additional difference between DNA replication and DNA transcription; in replication, the newly synthesized DNA strand remains bound in a helix to the strand with which it has base paired. After the preliminary stretch of roughly 8 base pairs has been synthesized, the sigma unit, which is dependable for awareness and binding to the promoter neighborhood, is released. The core enzyme is left to polymerize the developing RNA chain alone. This leads to the continuous extrusion of the 5' end of the RNA from the enzyme intricate. At ordinary room temperature, the price of transcription in prokaryotes is 40 nucleotides per second. For more information, log on to- http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Download the study materials here- http://shomusbiology.com/bio-material... Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology- Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching We are social. Find us on different sites here- Our Website – www.shomusbiology.com Facebook page- / shomusbiology Twitter - / shomusbiology SlideShare- www.slideshare.net/shomusbiology Google plus- https://plus.google.com/1136485849827... LinkedIn - / suman-bhattacharjee-2a051661 Youtube- / thefunsuman Thank you for watching