title: Distribution of repetitive and non-repetitive nucleotide sequences in the DNA of sea urchin.
mesh_terms: D000818:Animals; D001483:Base Sequence; D002499:Centrifugation, Density Gradient; D002852:Chromatography, Ion Exchange; D004247:DNA / Q000032:analysis; D004269:DNA, Bacterial; D003854:Deoxyribonucleotides / Q000032:analysis; D004926:Escherichia coli; D006882:Hydroxyapatites; D007700:Kinetics; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D009695:Nucleic Acid Renaturation; D012617:Sea Urchins / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet; D014461:Ultracentrifugation; D014465:Ultrasonics
chemical_list: D004269:DNA, Bacterial; D003854:Deoxyribonucleotides; D006882:Hydroxyapatites; D004247:DNA