2019 Molecular Basis of InheritanceRegulation of Gene Expression – The Lac Operon Medium Question 2 of 2 in Regulation of Gene Expression – The Lac Operon

Match the following genes of the Lac operon with their respective products.

Column I

  • A. i gene
  • B. z gene
  • C. a gene
  • D. y gene

Column II

  • I. $\beta$-galactosidase
  • II. Permease
  • III. Repressor
  • IV. Transacetylase

Correct answer: A → III, B → I, C → IV, D → II

Solution

Concept genes of the lac operon and their products

Regulation of Gene Expression – The Lac Operon in past papers

2 questions from this chapter have appeared across 2 exam years.