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4. __Long Arms_________. Most eukaryotic cells spend most of their time in interphase. For example, human skin cells, which divide about once a day, spend roughly 22 hours in interphase. About 90 percent of cells are in interphase. Some cells, such as nerve cells, can stay in interphase for decades.
The cell cycle has four main stages: 1  The first gap, or G1, during which the cell grows and develops, takes from zero to five hours. Not all cells progress from this stage; if not, they move into a state called G0, where they are not able to divide. Most cells in the body are actually in G0 phase.