Statement $I$: Lac operator is present only in $lac$-operon and it interacts specifically with $lac$-repressor only.
Statement $II$: Each operon does not have a specific operator and a specific repressor.

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

Explore More

Similar Questions

When do bacteria $NOT$ produce $\beta$-galactosidase?

Which one of the following enzymes is required for the entry of lactose into the $E. coli$ cell?

Wild-type $E. coli$ cells are grown in a normal medium containing glucose. They are then transferred to a medium containing only lactose as the sugar source. Which of the following changes will occur?

In the $lac$-operon model,lactose molecules function as:

An inactive repressor produced by a regulator gene that does not block the operator site in the tryptophan operon is called:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo