For the replictn of nuclic acid if it is DNA then hydrogen bonds shud b broken by helicase enzyme aka rep enxe then single standard DNA is destabilized by another enzyme then RNA primer binds to ss DNA further polymerisation continues by DNA polymerase enzyme in 1 of the stand while on other strand okazaki fragments are formed which need RNA primer every time.
Then d fragments r joint by DNA ligase n two replica are formed.