Given below are two statements:
Statement $I$: In lac operon,the repressor protein binds to the promoter region of the operon and prevents $\text{RNA}$ polymerase from transcribing the operon.
Statement $II$: Regulation of lac operon can also be visualized as regulation of enzyme synthesis by its substrate.
In the light of the above statements,choose the correct answer from the options given below:

  • A
    Both Statement $I$ and Statement $II$ are incorrect
  • B
    Statement $I$ is correct but Statement $II$ is incorrect
  • C
    Statement $I$ is incorrect but Statement $II$ is correct
  • D
    Both Statement $I$ and Statement $II$ are correct

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Similar Questions

Which of the following switches off the $lac$ operon?

Which gene produces the lactose repressor?

At which site does the repressor bind in the $Lac$ operon?

Select the two correct statements out of the four $(i-iv)$ statements given below about the lac operon.
$(i)$ Glucose or galactose may bind with the repressor and inactivate it.
$(ii)$ In the absence of lactose,the repressor binds with the operator region.
$(iii)$ The $z$-gene codes for permease.
$(iv)$ This was elucidated by Francois Jacob and Jacques Monod.
The correct statements are:

During $DNA$ transcription,$mRNA$ is usually single-stranded. However,sometimes an $RNA$ molecule is produced that is complementary to the $mRNA$. This is called ...... and its function is to ...... .

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