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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance3 Marks
Question
Explain with example what is meant by positive control of gene regulation.
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Answer

  1. A set of genes will be switched on when a substrate is to be metabolized.
  2. This phenomenon is called induction and small molecule responsible for this, is known as inducer.
  3. It is positive control of gene regulation.
  4. For example, lactose acts as an inducer in Lac operon.

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