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

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

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Transcription and Regulation
The function of the sigma factor of RNA polymerase is to

assure that transcription begins at the proper point
assure that transcription ends at the proper point
assure that translation ends at the proper point
assure that translation begins at the proper point

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