nascent replicative form type ii ( rfii ) dna of coliphage m13 synthesized in an escherichia coli mutant deficient in the 5 ' leads to 3 ' exonuclease associated uith dna polymerase i contains ribonucleotides that are retained in the covalently closed rfi dna sealed in vitro by the joint action of t5 phage dna polymerase and t4 phage dna ligase .
C0012888
dna polymerase i
C0012892
dna