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

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

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

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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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