Transcription and Regulation
In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is

RNA polymerase I
none of these
RNA polymerase III
RNA polymerase II

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

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