Cell proliferation and its regulationSignificance: 1. For the growth and development of a multicellular organism, and for the generation of offspring; 2. Produce new organisms in unicellular species; 3. Renew the aging, apoptotic cells, and damaged tissue; So, cell proliferation is one of the most important characters for lifeChapter 11If damaged seriously by UV , mouse will die within several days.1. The cell cycleA. Overview of the cell cycleThe most basic function of the cell cycle is to dupl