DNA strands are joined by

DNA strands have

DNA strands have

DNA strands have

The nitrogenous bases of the two strands of DNA are joined by

The nitrogenous bases of the two strands of DNA are joined by

The bonds joining two successive nucleotides of DNA strand are called __________.

During the replication of DNA, one of the strands is synthesized in pieces and are joined latter in the presence of enzyme called