title: Mechanism of the deoxyribonucleic acid helping effect during transformation.
mesh_terms: D004269:DNA, Bacterial / Q000502:physiology*; D003851:Deoxyribonucleases; D010759:Phosphorus Isotopes; D013291:Streptococcus; D013296:Streptococcus pneumoniae; D014170:Transformation, Genetic
chemical_list: D004269:DNA, Bacterial; D010759:Phosphorus Isotopes; D003851:Deoxyribonucleases