NEETZoology-Molecular Basis of Inheritance
NEET Zoology Lac Operon MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Select the incorrect pair w.r.t. Lac operon.
A
Structural gene - Transcribes mRNA for polypeptide synthesis
B
Operator gene - Interact with inducer and prevent the transcription of structural gene
C
Promoter gene - Possess site for RNA polymerase attachment
D
Regulator gene - Controls the activity of operator gene
Correct Answer
Option B
Detailed Explanation
The operator gene does not interact with the inducer; it is the site where the repressor binds to prevent transcription.
Found an issue with this question?