1 8 Mitosis
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1 8 Mitosis

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1 8 Mitosis 1 8 Mitosis Presentation Transcript

  • Launch
    • Get out the following four assignments for your homework packet
      • -Review Sheet from Monday
      • -Enzyme Letter from Tuesday
      • -Enzyme Worksheet from Tuesday
      • -Cell cycle worksheet from Thursday
      • If time answer the following question:
      • What are the three main stages of the cell cycle and what happens in each?
  •  
  • MITOSIS The process a cell uses to copy its DNA and create two identical daughter cells
  • Pre-Mitosis: INTERPHASE
    • This is where the cell spends most of its time
    • Cell grows, gain nutrients, copies DNA
    • DNA is “just chillin” in the nucleus
  • Interphase = In-between
  • Step 1: PROPHASE
    • DNA condenses into chromosomes
    • Chromosomes pair up with their exact copy
    • Nucleus breaks down
  • Prophase = Pairs
  • Step 2: METAPHASE
    • Chromosomes line up in the middle of the cell
    • Chromosomes are attached to fibers that stretch from the poles to the middle of the cell
  • Metaphase = Middle
  • Step 3: ANAPHASE
    • The stage when chromosomes separate
    • Each singular chromosome pulled to opposite sides of the cell by fibers in the cell
  • Anaphase = Apart
  • Step 4: TELOPHASE
    • Cell membrane pinches off to form two cells
    • Nuclear envelope reforms around DNA
    • Chromosomes uncondense
  • Telophase = Two Cells
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  • What stage is it?
  • What stage is it?
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