In DNA replication, the two strands of the double helix separate and a new strand forms along each old one. Each new DNA molecule has one old and one new strand. 24. The name of the old DNA strand and the site of DNA replication are identified in row Row O 0 Row O 0 0 0 O O Name of Old Strand haploid haploid a template a template 25. The backbone of a DNA molecule and the composition of A, C, T, and G are DNA Backbone Site cytoplasm nucleus phosphate groups sugars and phosphate groups pyrimidines purines cytoplasm nucleus A, C, T, and G deoxyribose sugars nitrogen-containing bases nitrogen-containing bases deoxyribose sugars