Based on your understanding of gene regulation in the cell and the function of the trp operon,...

Question:

Based on your understanding of gene regulation in the cell and the function of the trp operon, describe how this process would be affected if there was a mutation in the operator region so that the operator could not carry out its function.

Operons

Operons are clusters of protein-coding, or structural, genes that have a related function. The protein-coding genes share a common promoter from which RNA polymerase initiates transcription. A cis-regulatory sequence known as the operator is located between the promoter and the structural genes. The operator is the binding site for a regulatory protein that represses transcription from the promoter.

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A mutation in the trp operator that destroys its function would be one that changes its sequence so that the repressor protein does not recognize and...

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How An Operon Controls Transcription in a Prokaryotic Cell

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Chapter 9 / Lesson 4
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Understand what a lac operon is and its function, diagram, and structure. Know more about lac operon regulation through transcriptional repression and induction.


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