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Biology

Biology. Did you finish and turn in your osmosis (gummy bear or egg) lab report? You will not pass the 9 weeks without it. 2 nd , 5 th , 7 th Mitosis – The what, how, and why 3 rd , 4 th Mitosis Cancer & how it happens Mitosis Quick Lab. 11/26/13. The Cell Cycle. Interphase.

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Biology

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  1. Biology • Did you finish and turn in your osmosis (gummy bear or egg) lab report? You will not pass the 9 weeks without it. • 2nd, 5th, 7th • Mitosis – The what, how, and why • 3rd, 4th • Mitosis • Cancer & how it happens • Mitosis Quick Lab 11/26/13

  2. The Cell Cycle

  3. Interphase • G1 – 1stgrowth phase • S – synthesis (copying) of DNA • G2 – 2ndgrowth phase • The cell grows and copiesits DNA in preparation fordividing.

  4. Prophase • The DNA condensesinto chromosomes. • The centrioles start to build the spindle.

  5. Metaphase • The spindle fibers linethe chromosomes upin the middle of the cell on the metaphaseplate.

  6. Anaphase • The centrioles start toreel in the spindle,pulling the chromosomesapart and sending halfof them to each side of the cell.

  7. Telophase • Chromosomes beginto uncoil and return tochromatin. • Membrane begins to form around the new nucleus. Cytokinesis • Cell pinches in two, dividing the cytoplasmand organelles in it evenly between the2 new cells.

  8. Onion (Allium) Root Tip

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