Identify The Components Involved In The Initiation Of Transcription.

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Identify The Components Involved In The Initiation Of Transcription.

Sort each term into the appropriate bin. (explination in answer) prokaryotic initiation of transcription eukaryotic initiation of transcription neither word bank: -35 consensus pribnow box enahncers sigma subunit -30 TATA box rho DNA polymerase RNA polymerase II
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Prokaryotic: -35 consensus, pribnow box, sigma subunit eukaryotic: -30 TATA box, enhancers, RNA polymerase II neither: rho, DNA polymerase While the basics of transcriptional initiation in prokaryotes and eukaryotes are similar, they differ in complexity. Prokaryotic RNA polymerase, with the addition of the sigma subunit, recognizes the Pribnow box and the -35 consensus. Eukaryotic promoters and consensus sequences are considerably more diverse, and the three different RNA polymerases recognize different promoters, transcribe different genes, and produce different RNAs. Most eukaryotic promoters have a -30 TATA box. In addition to the core promoter, enhancer sequences around the eukaryotic gene bind activator proteins that interact with initiation complex to dramatically increase the efficiency of transcription. Many protein-protein interactions are necessary to initiate transcription in eukaryotes.
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