sentences:  Once an RNA primer has been added by a primase to the 3' end of the leading strand, DNA synthesis will continue in a 3' to 5' direction with respect to the leading strand uninterrupted.DNA Polymerase ε will continuously add nucleotides to the template strand therefore making leading strand synthesis require only one primer and has uninterrupted DNA polymerase activity.DNA replication on the lagging strand is discontinuous.