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From Gene to Protein: Transcription
Concept 4: Basic Structure of a Protein-Coding Gene
Concept 5: The RNA Molecule
   Review (2 pages)
Concept 6: The Transcription Process
   Practice (1 page)
   Review (3 pages)
Concept 9: mRNA in Eukaryotes
   Review (1 page)
Concept 4: Basic Structure of a Protein-Coding Gene
A protein-coding gene consists of a promoter followed by the coding sequence for the protein and then a terminator.
The promoter is a base-pair sequence that specifies where transcription begins.

The coding sequence is a base-pair sequence that includes coding information for the polypeptide chain specified by the gene.

The terminator is a sequence that specifies the end of the mRNA transcript.