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

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

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Transcription and Regulation
The transcriptional regulatory proteins in eukaryotes which induce transcription usually have

at least two distinct domains of protein structure, a DNA binding domain and an activation domain
none of these
at least one distinct domains of protein structure, a DNA binding domain and an activation domain
at least two distinct domains of protein structure and a DNA binding domain

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