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In bacteria, the mRNA provides the template, tRNA brings aminoacids and reads the genetic code, and rRNAs play structural and catalytic role during translation.
    There is single DNA-dependent RNA polymerase that catalyses transcription of all types of RNA in bacteria.
    RNA polymerase binds to promoter and initiates transcription (Initiation)
    It somehow also facilitates opening of the helix and continues elongation
    Once the polymerases reaches the terminator region, the nascent RNA falls off, so also the RNA polymerase. This results in termination