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Mitosis www.sawyerscience.com
Cell Cycle <ul><li>Cell Growth </li></ul><ul><li>DNA Replication </li></ul><ul><li>Preparation for Cell Division </li></ul...
Interphase <ul><li>Cell Growth </li></ul><ul><ul><ul><li>The cell grows & gains enough food and substance for two. </li></...
Phases of MITOSIS <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li...
Prophase <ul><li>The chromosomes, now called  chromatids , form and pair up in the center of the nucleus. </li></ul><ul><l...
Metaphase <ul><li>The  centromeres  of the  chromatid  pairs are lined up in the center of the cell. </li></ul>
Anaphase <ul><li>Spindle fibers pull  chromatids  apart, separating each one from its duplicate. </li></ul><ul><li>The cel...
Telophase/ Cytokinesis  <ul><li>Chromosomes  reach opposite ends </li></ul><ul><li>Spindle fibers break into proteins. </l...
 
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Mitosis

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Transcript of "Mitosis"

  1. 1. Mitosis www.sawyerscience.com
  2. 2. Cell Cycle <ul><li>Cell Growth </li></ul><ul><li>DNA Replication </li></ul><ul><li>Preparation for Cell Division </li></ul><ul><li>Cell Division </li></ul>
  3. 3. Interphase <ul><li>Cell Growth </li></ul><ul><ul><ul><li>The cell grows & gains enough food and substance for two. </li></ul></ul></ul><ul><li>DNA Replication </li></ul><ul><ul><ul><li>Chromosomes form exact copies </li></ul></ul></ul><ul><li>Preparation for Mitosis </li></ul><ul><ul><ul><li>Makes double proteins, enzymes, mitochondria, etc. </li></ul></ul></ul><ul><ul><ul><li>Centrioles duplicate </li></ul></ul></ul>
  4. 4. Phases of MITOSIS <ul><li>Prophase </li></ul><ul><li>Metaphase </li></ul><ul><li>Anaphase </li></ul><ul><li>Telophase </li></ul>
  5. 5. Prophase <ul><li>The chromosomes, now called chromatids , form and pair up in the center of the nucleus. </li></ul><ul><li>A centromere connects the two halves. </li></ul><ul><li>In the cytoplasm spindle fibers begin to form. </li></ul><ul><li>The centrioles move to opposite sides of the cell, and the nuclear membrane breaks apart. </li></ul>
  6. 6. Metaphase <ul><li>The centromeres of the chromatid pairs are lined up in the center of the cell. </li></ul>
  7. 7. Anaphase <ul><li>Spindle fibers pull chromatids apart, separating each one from its duplicate. </li></ul><ul><li>The cell now has two identical sets of single chromosomes. </li></ul>
  8. 8. Telophase/ Cytokinesis <ul><li>Chromosomes reach opposite ends </li></ul><ul><li>Spindle fibers break into proteins. </li></ul><ul><li>A nuclear membrane forms around each set of chromosomes. </li></ul><ul><li>The furrow deepens & cell divides completely </li></ul>
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