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

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Transcription and Regulation
What is a promoter?

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

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