Mitosis

Mitosis

1. Interphase

   • organelles replicate
   • DNA is unravelled and replicated
   • ATP content is increased

2. Prophase

   • nuclear envelope breaks down
     • chromosomes lie free in cytoplasm
   • chromosomes condense
   • centrioles move to opposite ends of cell forming the spindle

3. Metaphase

   • chromosomes line up along the middle of the cell
   • they attach to the spindle by their centromere

4. Anaphase

   • centromeres divide separating each pair of sister chromatids
   • spindles contract pulling chromatids to opposite ends of cell

5. Telophase

   • chromatids uncoil to become chromosomes again
   • nuclear envlope forms around each group of chromosomes forming two nuclei
   • Cytokinesis- cytoplasm divides creating two genetically identical daughter cells

6. Function

   • leads to growth of an organism
   • repairs tissues and replaces dead cells
   • provides asexual reproduction