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Posted: **Mon Jul 11, 2022 2:14 pm**

: A Mutant E Coli Strain Is Found That Synthesizes The Three Enzymes Whether Or Not Lactose Or Allolactose Is Present 1 (71.81 KiB) Viewed 52 times

: A Mutant E Coli Strain Is Found That Synthesizes The Three Enzymes Whether Or Not Lactose Or Allolactose Is Present 2 (64.78 KiB) Viewed 52 times

A mutant E. coli strain is found that synthesizes the three enzymes whether or not lactose (or allolactose) is present. What mutations can independently lead to this outcome? The lac operon is shown here as a guide. zones where proteins bind lac I expression Lac repressor promoter STON proteins operator DNA: genes and regulatory sequences lac Y lac 2 expression B-galactosidase expression permease lac A oxpression B-galactoside- transacetylase
expressic Lac repressor Lac A Lac Z Lac Y lac I promoter operator proteins expressi B-galactosidase expressa permease express B-galactoside- transacetylase