Both use thymine as a nitrogenous base

Both are composed of nucleotides

Both use adenine as a nitrogenous base

Both have a sugar phosphate backbone

Daughter DNA molecules have one old strand from the parent molecule and one newly synthesized strand

Only one DNA strand is replicated at a time

DNA replication occurs spontaneously in aqueous solutions

DNA replication has a leading strand, which is synthesized continuously, and a lagging strand, which is synthesized in fragments

RNA primer . . . DNA polymerase III

RNA primer . . . DNA polymerase I

DNA primer . . . RNA polymerase

DNA primer . . . DNA polymerase III