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Molecular Basis of Inheritance question

2002 · Q73
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Molecular Basis of Inheritance question

2002 · Q73

NEETBiologyMolecular Basis of InheritanceMCQ+4 / −1
In E. Coli, during lactose metabolism repressor binds to : -
  1. A
    Promoter gene
  2. B
    Operator gene
  3. C
    Structural gene
  4. D
    Regulator gene
View written solutionFree

Correct answer: B

In the lac operon of E.coli due to the activity of regulator gene synthesis of repressor molecules occurs. These repressor molecules get attached to the operator gene and thus check mRNA synthesis and because of this no protein synthesis occurs.

AIPMT 2002 Biology - Molecular Basis of Inheritance Question 92 English Explanation

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