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
What is a promoter?

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

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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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