The cell must also pass through a series of checkpoints that ensure conditions are favorable for division. In order to move from one phase of its life cycle to the next, a cell must pass through ...

These basic processes, known collectively as the cell cycle, are repeated throughout the life of a cell ... itself consists of five active steps, or phases: prophase, prometaphase, metaphase ...

Interphase The cell spends most of its life in this phase. The DNA in chromosomes copies itself ready for mitosis. Prophase The DNA in chromosomes and their copies condenses to become more visible.