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  • Operon Concept (Level : Moderate)
  • The lac operator is located
Multiple choice

The lac operator is located

  1. adjacent to activator

  2. partially within the promoter

  3. within the structural genes

  4. just before terminator

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The lac operator lies partially within the promoter and interacts with a regulatory protein that controls the transcription of the operon.

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