Explain what are the checkpoints and its regulation?

Question

10 Feb 2025

Answer :

Word Count : 267

Checkpoints are surveillance mechanisms in the cell cycle that ensure proper progression of cellular events, such as DNA replication, chromosome alignment, and division. These checkpoints act as quality control systems, preventing cells from advancing to the next phase until specific conditions are met, thereby maintaining genomic stability and preventing mutations.

The three major cell cycle checkpoints are:

1. G1 Checkpoint (Restriction Point) – This checkpoint occurs ______ ____ _________ ___ ______ ______ ___ _________ ________ __________.
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