SEARCH Articles Figures Tables A RNA polymerase A formation from A transcription factors Basal transcription Basal transcription factor Formation factor General factors General initiation factors Initiating factor Initiation factor Basal Initiation factors factor Initiation formation Initiation generally Initiation of transcription Polymerase , and RNA polymerase initiation RNA transcript RNA transcription Transcription apparatus, basal Transcription factor Transcription factor general Transcription initiation Transcription initiation factors Transcription of RNA Transcription polymerase Transcriptional factor