Transcription and Regulation
In prokaryotes, transcription is

terminated by the stop codon
terminated by a poly A sequence
terminated by a protein called rho
terminated by a start codon

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Transcription and Regulation
Most transcripts of protein coding genes are cleaved

at the 3' end just after a poly adenylation signal
at the 5' end immediately after a poly adenylation signal
at the 3' end just before a poly adenylation signal
at the 5' end immediately before a poly adenylation signal

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

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