Multiple choice

Which of the following proteins is not regulated by the repressor in lac operon of E. coli?

  1. Beta-galactosidase

  2. Lactose permease

  3. Tryptophan

  4. Transacetylase

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Tryptophan is not regulated by repressor in lac operon. This protein is not induced in lac operon.