Question

The sequence of genes in lac operon of E.coli are

• A. promotor gene $\to$ operator gene $\to$ structural gene
• B. structural gene $\to$ promotor gene $\to$ operator gene
• C. operator gene $\to$ promotor gene $\to$ structural gene
• D. structural gene $\to$ operator gene $\to$ promotor gene.

Answer 1

Answer: (A)

Correct answer is (a) promotor gene $\to$ operator gene $\to$ structural gene