In E Coli, Lactose (Allolactose) and Tryptophan Both Bind to Repressor

question 8

Essay

In E. coli, lactose (allolactose) and tryptophan both bind to repressor proteins as part of regulation of the lac and trp operons, respectively. Outline two differences between the behavior of these compounds and their associated repressor proteins, and describe their effect on the transcription of their associated operons. Why do these differences make physiological sense?

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