You are examining the trp operon in bacteria. A mutation in the gene that codes the trp repressor re Show more You are examining the trp operon in bacteria. A mutation in the gene that codes the trp repressor results in production of a protein that cant bind to tryptophan.
As a result the trp operon A)will only be expressed when tryptophan is absent B)will always be expressed C)will only be expressed when tryptophan is present D)will never be expressed )You identify a fragment from the middle of an mRNA molecule. The fragment could code for all of the following amino acid sequences EXCEPT A)val-thr B)arg-his C)ala-ser D)val-pro Show less
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