Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

only active inside the cell
multisubunit enzymes
interchangable with DNA polymerases
highly glycosylated in their active forms

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Transcription and Regulation
The major function of RNA polymerase's sigma factor is

recognition of the translational start sequence
recognition of the transcriptional start sequence
recognition of the transcriptional stop sequence
recognition of the translational stop sequence

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