Replication of dna proceeds by insertion of a new nucleoside triphosphate at the free 3-hydroxyl end, with loss of two phosphate Chain Elongation p P 5- Growing strand 3 OH 尺 人 CH 2 OH 2 CH2 P 2 CH2 Parental strand 5Replication of DNA proceeds by insertion of a new nucleoside triphosphate at the free 3’-hydroxyl end, with loss of two phosphate