Practice question

Question

In which of the following partial diploids of the lac operon in E. coli, will there be constitutive expression of the structural genes ? A. I ⁺ O ⁺ Z ⁺ Y ⁺ | I ⁺ O ⁺ Z ⁺ Y ⁺ B. I ⁻ O ⁺ Z ⁺ Y ⁺ | I ⁻ O ⁺ Z ⁺ Y ⁺ c. I ⁻ O ⁺ Z ⁺ Y ⁺ | I ⁺ O ⁺ Z ⁺ Y ⁺ D. I ⁺ O ᶜ Z ⁺ Y ⁺ | I ⁺ O ᶜ Z ⁺ Y ⁺ Choose the correct answer from the options given below :