Transcription and Regulation
Immediately after transcription

a methylated guanine cap is added to the 51 end of the transcript
a poly adenylation signal is added
both (a) and (b)
a methylated guanine cap is added to the 31 end of the transcript

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

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