Question: For the following merodiploids involving the E. coli trpEDCBA operon indicate the expression of t…
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For the following merodiploids involving the E. coli trpEDCBA operon indicate the expression of the TrpE protein in the presence and absence of tryptophan and state what the overall phenotype for TrpE would be repressible, constitutive, or not expressed. trpR encodes a super repressor that binds DNA with or without tryptophan. (Do not consider attenuation in this answer, only consider repression) The bottom is done as an example. tryptophan tryptopharn phenotype trpR+ O+ E+/trpR+ 0+ E+ trpR-O+ E+/trpR+ 0+ E+ trpR+ O- E+trpR+ O+ E+ trpR+O-E-/trpR+ O+ E+ trpRs O+ E+/trpR+ O+E+ not expresse