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The cell cycle is a vital process where cells grow and divide, limited by a size threshold. In healthy animal cells, the cycle completes in a set number of hours, predominantly spent in Interphase for growth and synthesis. Cells actively engage in this cycle to replace worn-out or damaged cells. However, unregulated cycles can lead to cancer, characterized by the uncontrolled growth and division of cells due to DNA mutations. This can result in cancer cells overwhelming normal cells, disrupting the body's functions and health.
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Cell Cycle • Cells ______________by a cycle of growing and dividing. • Cells have a size limit and when reached must either stop _______________ or divide. • In a typical, normal, healthy animal cell the cell cycle is completed in __________ hours. • _____________ of this time is spent growing and synthesizing during Interphase
Cell Cycle • Not all cells are ____________ going through the cell cycle • When might cells be actively growing and dividing? • For organism _________ • To replace _________ cells • To replace _________ cells • What would happen if this cycle wasn't regulated? • _________
Abnormal Cell Cycle: Cancer • _________ is the uncontrolled growth and division of cells caused by mutation of DNA • The stages during Interphase of the cell cycle are _________ or skipped entirely • Results in out of control Mitosis • Cancer cells will crowd out normal cells and kill _________ _________
