A mutation in the gene coding for the trp repressor protein in E coli removes the ability of the trp repressor protein to bind

Question

A mutation in the gene coding for the trp repressor protein in E coli removes the ability of the trp repressor protein to bind to the operator however the trp repressor is still able to bind to tryptophan as normal How will this mutation affect the cell The cell will only be able to express the genes in the tryptophan biosynthesis operon in the absence of tryptophan The cell will NOT be able to express the genes in the tryptophan biosynthesis operon The cell will only be able to express the genes in the tryptophan biosynthesis operon in the presence of tryptophan The cell will constitutively express the genes in the tryptophan biosynthesis operon

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