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Molecular Basis of Inheritance question

2015 · Q60
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Molecular Basis of Inheritance question

2015 · Q60

NEETBiologyMolecular Basis of InheritanceMCQ+4 / −1
Gene regulation governing lactose operon of E.coli that involves the lac I gene product is
  1. A
    negative and inducible because repressor protein prevents transcription.
  2. B
    positive and inducible because it can be induced by lactose
  3. C
    negative and repressible because repressor protein prevents transcription
  4. D
    feedback inhibition because excess of β\betaβ-galactosidase can switch off transcription
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