MP Board · Class 12 · Biology · Molecular Basis of InheritanceIn lac operon, the repressor protein binds to which of the following?
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Step-by-Step Solution
The repressor protein binds to the operator region of the lac operon to block the transcription of structural genes in the absence of an inducer.
Detailed Options Breakdown
Option : Promoter gene
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.
Option 1: Operator gene (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Structural gene z
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.
Option 3: Regulator gene i
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.
💡 Study Guide: This question tests core syllabus concepts from Molecular Basis of Inheritance. For formulas, key summaries, and mock exam reference guides, read the full Molecular Basis of Inheritance Revision Notes.