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The trp operon is a set of genes in bacteria that are responsible for the synthesis of tryptophan, an essential amino acid. It consists of a promoter region, operator region, and structural genes.
A region of DNA where RNA polymerase binds to initiate transcription.
Operator: A regulatory sequence in DNA that controls whether transcription can occur.
Structural Genes: Genes that encode proteins or enzymes involved in a specific biological function.