XCISIon Repair Proteins Detect Damage Enzymes Excise DNA Segment with damage ●●●·●●鲁 DNA Polymerase Copies the Undamaged strand ee。●。●0●0● DNA Ligase seals the ends together Courtesy of Professor Bevin P. Engelward. Used with permissionExcision Repair Proteins Detect Damage Enzymes Excise DNA Segment with Damage DNA Polymerase Copies the Undamaged Strand DNA Ligase Seals the ends together Courtesy of Professor Bevin P. Engelward. Used with permission