Cell Cycle & Mitosis

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  • Created by: ledaazimi
  • Created on: 14-01-15 11:54
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  • Cell Cycle & Mitosis
    • Interphase: G1 S1 G2
      • G1: Gap Phase 1- cell grows and new organelles and proteins are made
      • S1: Synthesis - cell replicates DNA: ready to divide by mitosis
    • Interphase: cell prepares to divide: DNA unraveled + replicated: ATP content increases
      • Prophase: chromosomes condense - short and fat: centrioles move opposite ends forming network of protein fibres: spindles. nuclear envelope breks
        • Metaphase: chromosomes line along middle of cell and become attached to spindle by centroemere
          • Anaphase: centromeres divide separating each pair of chromatid - spindles contract pulling chromatids to opposite ends
            • Telophase: chromatids uncoil: long and thin- chromosomes. Nuclear envelope forms around chromosomes - 2 nuclei - cytoplasm divides - 2 daughter cells genetically identical
  • Mitosis: For Growth, Repair and Asexual reproduction
  • Interphase: cell prepares to divide: DNA unraveled + replicated: ATP content increases
    • Prophase: chromosomes condense - short and fat: centrioles move opposite ends forming network of protein fibres: spindles. nuclear envelope breks
      • Metaphase: chromosomes line along middle of cell and become attached to spindle by centroemere
        • Anaphase: centromeres divide separating each pair of chromatid - spindles contract pulling chromatids to opposite ends
          • Telophase: chromatids uncoil: long and thin- chromosomes. Nuclear envelope forms around chromosomes - 2 nuclei - cytoplasm divides - 2 daughter cells genetically identical
  • Cut tip of growing root
    • Place root tip on watch glass
      • Add few drops of stain so chromosomes become darker
        • Warm the watch glass - Bunsen burner

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