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In E.coli, the lac operon gets switched on when ______. - Biology

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Question

In E.coli, the lac operon gets switched on when ______.

Options

  • lactose is present and it binds to the repressor.

  • repressor binds to operator.

  • RNA polymerase binds to the operator.

  • lactose is present and it binds to RNA polymerase.

MCQ
Fill in the Blanks

Solution

In E.coli, the lac operon gets switched on when lactose is present and it binds to the repressor.

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Chapter 6: Molecular Basis of Inheritance - MULTIPLE CHOICE QUESTIONS [Page 40]

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NCERT Exemplar Biology [English] Class 12
Chapter 6 Molecular Basis of Inheritance
MULTIPLE CHOICE QUESTIONS | Q 28. | Page 40

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