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Gene structure

Description
Coding sequences contain information to be transcribed into RNA. Promoter sequences regulate the initiation of transcription, and termination sequences control the cessation of transcription. (a) Bacterial and most, but not all, archaeal genes contain a single coding sequence per gene, although a promoter may regulate the transcription of more than one gene. (b) In eukaryotic genes, the coding sequence is split up into exons, which are separated by introns.
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