Transcription and Regulation
Rho-dependent termination of transcription in E. coli

both (a) and (b)
requires about 50 nucleotides of uncomplexed mRNA
removes mRNA and holoenzyme from the DNA
requires ATP

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

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

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Transcription and Regulation
The function of the sigma factor of RNA polymerase is to

assure that transcription begins at the proper point
assure that translation ends at the proper point
assure that transcription ends at the proper point
assure that translation begins at the proper point

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Transcription and Regulation
What is a promoter?

None of these
A specific sequence of DNA to which RNA polymerase binds
A specific sequence of DNA to which a catabolic repressor binds
A specific DNA sequence to which a restriction endonuclease binds

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