the conversion of single-stranded dna in s13 intact phage particles to the double-stranded replicative form dna was observed in cell extracts prepared from escherichia coli h560 ( s13s , pola , enda ) cells lysed with lysozyme and the non-ionic detergent , brij 58 .
C0012935
single-stranded dna
C0012854
double-stranded