Cell Cycle By student’s name, period # The regular sequence of growth & division that cells undergo. *IPMAT + C I= first stage PMAT= second stage C= third stage I= Interphase P= Prophase M= Metaphase A= Anaphase T= Telophase C= Cytokinesis

Stage 1: Interphase Usually the longest phase in the cell cycle Growth & cellular functions (A cell grows to its mature size) Makes a copy of its DNA (replication) Prepares to divide

A cell’s nucleus divides into two new nuclei Prophase Stage 2: Mitosis A cell’s nucleus divides into two new nuclei Prophase Chromatin condenses to form chromosomes Spindle fiber forms Nuclear membrane breaks down

Stage 2: Mitosis Metaphase Chromosomes line up across the middle of the cell Chromosomes attach to spindle fibers at centromere

Stage 2: Mitosis Anaphase Centromers split Chromatids move towards opposite ends of the cell Nucleus is gone

Stage 2: Mitosis Telophase Chromosomes stretch out New nuclear membranes form

Stage 3: Cytokinesis Cell membrane pinches to form two new daughter cells with identical sets of chromosomes

Cell Cycle