title: A study in evolution: the DNA base sequence homology between coliphages T7 and T3.
mesh_terms: D001483:Base Sequence; D002875:Chromosomes; D003090:Coliphages / Q000032:analysis*; D004279:DNA, Viral / Q000032:analysis*; D004926:Escherichia coli; D008854:Microscopy, Electron; D008967:Molecular Biology; D009691:Nucleic Acid Denaturation; D009693:Nucleic Acid Hybridization; D009711:Nucleotides / Q000032:analysis*; D012333:RNA, Messenger; D014461:Ultracentrifugation
chemical_list: D004279:DNA, Viral; D009711:Nucleotides; D012333:RNA, Messenger