Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

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

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

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

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Transcription and Regulation
Multiple copies of 5S genes, located at a chromosomal site distinct from the other rRNA genes

are transcribed by rRNA polymerase I and the 5S rRNA
are transcribed by rRNA polymerase II
are transcribed by rRNA polymerase III and the 5S rRNA
are transcribed by DNA polymerase I

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