A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division. The resulting cells, known as daughter cells, each enter their own interphase and begin a new round of the cell cycle. Cell death is an important process in the body as it promotes the removal of unwanted cells. Failure of cells to die, or cells dying when they shouldn’t, can lead to or exacerbate many diseases. Cells can die because they are damaged, but most cells die by killing themselves. There are several distinct ways in which a cell can die. Some occur by an organized, ‘programmed’ process.

Sreelakshmi Sethumadhavan

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