IGNOU BBCCT 123 2026 - Explain the physiological significance of regulated protein

Question

Explain the physiological significance of regulated protein degradation in cell cycle control and stress responses.

10 Feb 2026

Answer :

Word Count : 257

Regulated protein degradation is a fundamental mechanism that ensures precise control of cellular processes by selectively removing specific proteins at the appropriate time. In cell cycle control, this process is essential for maintaining the correct order and timing of events such as DNA replication, mitosis, and cytokinesis. The ubiquitin–proteasome system plays

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