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Transcript
MITOSIS EUKARYOTIC CELLS (plant and animal cells) •50,000 of the cells in your body will die and be replaced with new cells, all while you have been reading this sentence! •It takes about 8 hours for one of your cells to completely copy its DNA. •One single cell contains two meters of DNA. INTERPHASE: Before Mitosis begins • Chromosomes and other cell materials are copied. • Centrioles appear • Chromosomes are now 2 chromatids Animal Cell Plant Cell Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm PROPHASE • Nucleus breaks apart. • Centrioles move to opposite sides of the cell • Fibers form and attach to the centromeres Animal Cell Plant Cell Spindle fibers Centrioles Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm Prometaphase METAPHASE • Chromosomes line up along the equator (middle) of the cell Animal Cell Plant Cell Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm ANAPHASE • Chromatids separate and are pulled to opposite sides of the cell by the fibers. Animal Cell Plant Cell Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm TELOPHASE • Nucleus forms around the chromosomes • Chromosomes unwind • Fibers disappear • MITOSIS IS COMPLETE Animal Cell Plant Cell Photographs from: http://www.bioweb.uncc.edu/biol1110/Stages.htm AFTER MITOSIS-CYTOKINESIS • Cytoplasm splits in two • Two identical cells are formed • The Eukaryotic cell cycle is complete Mitosis in real life!!! Mitosis in real life!!! Mitosis in real life!!! • http://biology.nebrwesleyan.edu/benham/ mitosis/ • http://www.uoguelph.ca/zoology/devobio/2 10labs/mitosis1.html A Name that phase: C B D E F Place these phases in order: C B A D E F Name stage of mitosis Name stage of mitosis Name stage of mitosis Name stage of mitosis Name stage of mitosis Name stage of mitosis