When an E.coli cell contains high levels of lactose,the lactose will bind with the _____.
A)repressor
B)operator
C)promoter
D)RNA polymerase

Question

Quizplus · Accepted Answer

Lactose binds with the repressor protein in E. coli, causing a conformational change in the repressor. This change prevents the repressor from binding to the operator region of the lac operon, allowing RNA polymerase to transcribe the genes necessary for lactose metabolism.

When an EColi Cell Contains High Levels of Lactose,the Lactose Will Bind