identify the correct sequence of gene in an operon

1. prometer, operator, regulator,structural
2. structural,egulator, operator,prometer
3. regulator, prometer, operator, structural
4. operator, structural, regulator, promoter

Hello Student
Correct answer is 3. Regulator, Promoter, Operator, Promoter.
Jacob and Monod Proposed model for regulation of Trancription.
The Correct Sequence is
Regulator Site→Promoter Site→Operator Site→ Structural Gene→ Downstream→ Upstream.

The correct answer is (3) Regulator, Promoter, operator, structural genes