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Pp 2.8 mitosis lsn 120317

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2.8 Mitosis Lsn

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Pp 2.8 mitosis lsn 120317

  1. 1. Mitosis is forPeople, Plants, and Pets Why is it important? What does it do?
  2. 2. Recall the Cell Cycle’s 3 Main Phases?
  3. 3. IN WHICH PHASE DOESDNA REPLICATION OCCUR?
  4. 4. Mitosis Has 4 (FOUR) Phases
  5. 5. Phases of Mitosis
  6. 6. WHICH PHASE OF MITOSIS? Chromatin coils tobecome chromasomes
  7. 7. Hmm, are These in Order?During which phase of mitosis does cytokinesis begin?
  8. 8. WHICH PHASE OF MITOSIS DO YOU SEE?
  9. 9. MITOSIS ANIMATION WHAT’S GOING TO HAPPEN? Basic animation:http://wormclassroom.org/files/worm/CellDivision.mov More advanced terms, faster-paced, and with jazz!http://wormclassroom.org/files/worm/CellDivision.swf
  10. 10. Cells in different phases of the cell cycle, some in mitosis. You can identify these. Allium (onion)
  11. 11. How long does mitosis take?
  12. 12. How long does mitosis take?
  13. 13. BONUS COVERAGE !! 1 TO 100 CELLS Just click on the hyperlinkhttp://www.wormclassroom.org/files/worm/Focal6_1_410.MOV
  14. 14. FROM 1 to 100 “WORMS”The “worm”, Caenorhabditis elegans (C. elegans), is anematode commonly used for genetic research becauseit is simple, has a short life-span (reproducesquickly), and is easy to cultivate. This nematode “worm” is about the size of a comma in your textbook: 1 mm.
  15. 15. I HAVE SOME QUESTIONS, TOO!• HOW MANY CELLS DO WE HUMANS HAVE?• WHAT HAPPENS IF MITOSIS DOESN’T STOP?• WHY DO ADULTS STOP
  16. 16. REFERENCESThe diagrams, photos, animations, and movies contained in this presentation are from non-copyrighted sources available on the web. Even so, I feel it only proper to cite the following components, as they were most useful.Mitosis diagram on Slide 6 (the first “Which Phase of Mitosis?” slide) was at Biology Corner, accessed Mar 17, 2012. http://www.biologycorner.com/lesson-plans/cells/cell-division/1 to 100 “worm” mitosis movie was accessed from www.WormClassroom.org Mar 17, 2012, maintained by the Laboratory for Optical and Computational Instrumentation at the University of Wisconsin-Madison.

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