DNA 2

Second DNA minmap concerning storage

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  • DNA
    • Structure the same in all organisms
      • Eukaryotic and Prokaryotic cells store DNA differently
        • DNA
          • Structure the same in all organisms
            • Eukaryotic and Prokaryotic cells store DNA differently
              • Eukaryotic Cells:
                • Linear molecules
                  • Exist as chromo-somes
                    • Thread-like structures each made of one long DNA molecule
                  • Very long molecule
                    • Wound up to fit into nucleus
                    • Wound around proteins (called histones)
                      • The histones help support the DNA
                      • This forms a compact chromo-some
                • Associated with proteins
              • Prokaryotic Cells:
                • Also carry DNA as chromo-somes
                  • But DNA molecules are shorter and circular
                  • DNA isn't wound around proteins
                    • Condenses to fit in the cell by supercoiling
        • Eukaryotic Cells:
          • Linear molecules
            • Exist as chromo-somes
              • Thread-like structures each made of one long DNA molecule
            • Very long molecule
              • Wound up to fit into nucleus
              • Wound around proteins (called histones)
                • The histones help support the DNA
                • This forms a compact chromo-some
          • Associated with proteins
        • Prokaryotic Cells:
          • Also carry DNA as chromo-somes
            • But DNA molecules are shorter and circular
            • DNA isn't wound around proteins
              • Condenses to fit in the cell by supercoiling

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