Page 157 - Science Course 3 (Book 1)
P. 157

Mo4-L4a: What is the Cell Cycle?                  Mo4-L4b: What is the Mitotic Phase?




                                            Sister     Sister
                                          Chromatids  Chromatids    Mo4-L4b         What is the Mitotic Phase?

                                                                  KEY CONCEPTS:
                                                                  1. What happens during the mitosis cell cycle?
                                                                  2. Why is the result of the cell cycle important?
               Centromere

                                                                              Vocabulary A-Z

                                                                              Let us learn some vocabulary

                     Homologous           Homologous  Homologous
                     chromosomes          chromosome 1 chromosome 2  Mitosis

                               Key Concept                        a process during which the nucleus and its contents
                                                                  divide.
                             What Is the Cell Cycle?
                                                                                                          Mitosis
                  What happens during the interphase cell cycle?         Prophase        Anaphase        Completed





                                                                 Interphase     Metaphase        Telophase

                                                                  Cytokinesis
                                                                  a process during which the cytoplasm and its
                                                                  contents divide.


















                                                                  Daughter Cell
                                                                  the two new cells that result from mitosis and
                                                                  cytokinesis.
                                 SUMMARY

                             What Is the Cell Cycle?
                   During interphase, most cells go through
                   periods of rapid growth and replication of
                   organelles, copying DNA, and preparation
                               for cell division.












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