Which is not true about the lac repressor?
A)Its gene is part of the lac operon and is transcribed along with lacZ,lacA and lacY.
B)When it binds to DNA,it forms a loop-type structure.
C)It likely blocks both RNA polymerase binding as well as transcription initiation.
D)It binds to DNA by interaction of an α-helix with the major groove.

Question

Quizplus · Accepted Answer

The lac repressor gene is located upstream of the lac operon and is not transcribed along with lacZ, lacA and lacY. It has its own promoter and is transcribed separately.

Which Is Not True About the Lac Repressor