title: Studies on the deoxyribonucleic acid from Spirillum.
mesh_terms: D000227:Adenine Nucleotides; D002499:Centrifugation, Density Gradient; D002845:Chromatography; D003597:Cytosine Nucleotides / Q000032:analysis; D004269:DNA, Bacterial / Q000032:analysis / Q000302:isolation & purification; D006150:Guanine Nucleotides / Q000032:analysis; D006358:Hot Temperature; D009691:Nucleic Acid Denaturation; D009693:Nucleic Acid Hybridization; D011119:Polynucleotides; D011402:Pronase; D012260:Ribonucleases; D012822:Silicon Dioxide; D013053:Spectrophotometry; D013139:Spirillum; D014466:Ultraviolet Rays; D014500:Uracil Nucleotides
chemical_list: D000227:Adenine Nucleotides; D003597:Cytosine Nucleotides; D004269:DNA, Bacterial; D006150:Guanine Nucleotides; D011119:Polynucleotides; D014500:Uracil Nucleotides; D012822:Silicon Dioxide; D012260:Ribonucleases; D011402:Pronase