IGNOU BBCCT 123 2026 - Explain the principles of positive and negative regulation o

Question

Explain the principles of positive and negative regulation of gene expression with reference to operons.

09 Feb 2026

Answer :

Word Count : 235

In the context of operons, gene expression is regulated through two key mechanisms: positive and negative regulation. These regulatory mechanisms allow cells to control the transcription of specific genes based on environmental or cellular conditions. Negative regulation involves the repression of gene expression. In this system, a repressor protein

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