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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Definitions:

Maximal

Pertaining to the highest or most complete level or amount.

Suffix

A morpheme added at the end of a word to form a derivative.

Acute

Refers to conditions or symptoms that are severe in degree but of short duration.

Triage

The process of determining the priority of patients' treatments based on the severity of their condition.