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Which one of the following is NOT a part of a transcription unit in DNA?

  1. A
    The structural gene
  2. B
    The inducer
  3. C
    A terminator
  4. D
    A promoter

Solution & Step-by-step Explanation

A transcription unit in DNA is defined by three regions:A Promoter (where RNA polymerase binds).The Structural gene (the sequence to be transcribed).A Terminator (where transcription ends).An inducer is a chemical molecule (like lactose in the lac operon) that regulates the operon by inactivating a repressor; it is not a structural part of the DNA transcription unit.

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Which one of the following is NOT a part of a transcription unit in DNA?
A
The structural gene
B
The inducer
C
A terminator
D
A promoter

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Molecular BiologyTranscription Unit

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