The E. coli mRNA as a precursor for the T4 phage nucleic acids.
D002250:Carbon Radioisotopes; D003090:Coliphages; D004267:DNA Viruses; D004279:DNA, Viral; D004926:Escherichia coli; D006147:Guanine / Q000378:metabolism; D006150:Guanine Nucleotides / Q000378:metabolism; D006207:Half-Life; D007700:Kinetics; D012329:RNA, Bacterial / Q000096:biosynthesis*; D012333:RNA, Messenger / Q000096:biosynthesis*
D002250:Carbon Radioisotopes; D004279:DNA, Viral; D006150:Guanine Nucleotides; D012329:RNA, Bacterial; D012333:RNA, Messenger; D006147:Guanine