Transcription and Regulation
Immediately after transcription

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

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

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

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