Home » Which of the following is required as an inducer(s) for the expression of Lac operon? Biomolecules MCQs Which of the following is required as an inducer(s) for the expression of Lac operon? December 27, 2021 1 View Q. Which of the following is required as an inducer(s) for the expression of Lac operon? GlucoseGalactoseLactoseLactose and galactose Answer: Lactose