Checkpoint

Definition

A checkpoint in cell growth and division is a control point where stop and go-ahead signals can regulate the cycle. These checkpoints ensure that cells do not initiate the next phase of the cycle unless certain conditions are met, such as proper DNA replication.

Related terms

Cell Cycle: The series of events that take place in a cell leading to its division and duplication.

Mitosis:

A part of the cell cycle where replicated chromosomes are separated into two new nuclei, leading to cell division.

Apoptosis:

The process of programmed cell death that occurs in multicellular organisms, helping eliminate damaged or unnecessary cells