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Steps of Mitosis 1. INTERPHASE (between) 2. PROPHASE (first) 3. METAPHASE (middle) 4. ANAPHASE (ana-banana-split) 5. TELOPHASE (two)
Chromosomes duplicate Chromosomes condense Chromosomes are now double-stranded and held together by a centromere.
Chromosomes are fully visible Nuclear membrane fades Centrioles (cowboys) move to opposite ends of the cell Spindle Fibers (ropes) form
Chromosomes line up in the center of the cell Centromeres attach to the spindle fibers.
Strands of chromosomes separate and move away from each other.
Centrioles & spindle fibers disappear Chromosomes stretch out again Nuclear membrane forms Cytoplasm pinches in to form two identical cells.
Results One cell = Two cells (exactly alike) with the same number of chromosomes.
Mitosis Tutorial & Animation http://www.biology.arizona.edu/cell_bio/t utorials/cell_cycle/cells3.html http://www.biology.arizona.edu/cell_bio/t utorials/cell_cycle/cells3.html
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Mitosis - Cell division
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Cell Division Mitosis. Produces 2 cells – called daughter cells – from one parent cell Daughter cells are identical to each another and to the original.
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Cells divide during the mitotic phase Ch INTERPHASE Starts during the G 2 phase in the cell cycle Chromatin loosely packed Nucleolus visible Nuclear.
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THE CELL CYCLE As eukaryotic cells grow and divide, they move through three distinct stages: 1.interphase – cells grow and prepare to divideinterphase.
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