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DNA constancy - Coggle Diagram
DNA constancy
2. DNA Repair Mechanisms
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Mismatch Repair (MMR)
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Key proteins: MSH2, MSH6, MLH1, PMS2
Process: mismatch recognition → excision(while the other strand is protected from
exonuclease by (RPA). → polymerase fills → ligase joins
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1. DNA Replication
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Cell Cycle
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S Phase
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Result: 2n chromosomes, each with 2 sister chromatids
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M Phase (Mitosis)
2 daughter cells, each with identical DNA
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Medical Applications
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Drug targets: replication enzymes → antibiotics, chemotherapy
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