The cell cycle

 (a) The cell cycle is divided into interphase and M phase, which are each further subdivided. The cycles are not drawn to scale. (b) An overview of cell cycle activities (a) The cell cycle is divided into interphase and M phase, which are each further subdivided. The cycles are not drawn to scale. (b) An overview of cell cycle activities

DNA synthesis (b) / G1: Active gene expression and ._..)‘ Go: Terminal differentiation l cell activity; preparation for <-... and arrest of cell division l DNA synthesis w l l VVVVVVVVVVVVVVVV , Cell remains Eventual { S phase: DNA replication and l specialized C9” death l chromosome duplication j 39'93065 “0t (apoptosis) 1 WI e Gz: Preparation for cell division M phase: Cell division Mitosis (somatic cells) Meiosis (germ-line cells)