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细胞周期是普遍存在于高等生物中的一种细胞周期性自我复制和分裂的有序过程,它可以定义为连续的分裂细胞从一次有丝分裂结束到下一次有丝分裂结束所经历的整个过程。细胞周期的运行十分有序,沿着G1期→S期→G2期→M期的顺序进行,这种严格的顺序运转与相关调控基因在时间和空间
The cell cycle is an ordered process of cell cycle self-replication and division ubiquitous in higher organisms. It can be defined as the entire process of successive division of cells from the end of one mitosis to the end of the next mitosis. The cell cycle runs very orderly along the sequence of G1 → S → G2 → M, and this strict sequence of operation and related regulatory genes in time and space