On the origin of replication of Escherichia coli chromosome.
D002876:Chromosomes, Bacterial; D004261:DNA Replication; D004926:Escherichia coli; D009154:Mutation; D009693:Nucleic Acid Hybridization; D010759:Phosphorus Isotopes; D013941:Thymine / Q000378:metabolism; D014316:Tritium
D010759:Phosphorus Isotopes; D014316:Tritium; D013941:Thymine