The repressor protein would not function properly, and the lac operon would be over expressed
What is Lac operon ?
An operon, or collection of genes, with a single promoter, is the lac operon. The genes in the operon produce proteins that enable lactose utilisation by the bacteria.
- Constitutive expression results from mutations in the repressor that prevent it from binding to the operator. A non-inducible phenotype results from mutations that block the inducer's ability to bind without affecting the operator's ability to bind.
- The function of LacI is to prevent the lac operon's protein mRNA from being produced. LacZYA mRNA is only very minimally transcribed, but transcription is not entirely eliminated.
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