Jacob, Monod, and Pardee constructed a mutant strain of E. coli that carried a lacI-gene mutation (encodes the lac repressor). Which is TRUE of this mutant strain?

Question

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The lacI-gene mutation results in a defective lac repressor, which cannot bind to the operator region of the lac operon. This leads to the constitutive expression of the lac operon, as the repressor cannot inhibit transcription in the absence of lactose.

Jacob, Monod, and Pardee Constructed a Mutant Strain of E