Which one of the following is not part of a transcription unit in DNA?
The inducer
A Terminator
A promoter
The structural gene
a transcription unit in DNA is defined primarily by three regions: a Promoter, the Structural gene, and a Terminator . The inducer is generally a substrate (like lactose in the lac operon) that regulates the operon but is not one of the three defined regions of a transcription unit in DNA.
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