title: Studies on nucleic acids of living fossils. I. Isolation and characterization of DNA and some RNA components from the brachiopod Lingula.
mesh_terms: D000596:Amino Acids; D000818:Animals; D005075:Biological Evolution; D002247:Carbon Isotopes; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D003597:Cytosine Nucleotides / Q000032:analysis; D004247:DNA / Q000032:analysis / Q000302:isolation & purification; D003851:Deoxyribonucleases; D005615:Freezing; D006150:Guanine Nucleotides / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D007448:Invertebrates / Q000032:analysis*; D008025:Ligases; D008970:Molecular Weight; D009711:Nucleotides / Q000032:analysis; D010163:Paleontology; D010179:Pancreas / Q000201:enzymology; D010744:Phosphoric Monoester Hydrolases; D010758:Phosphorus / Q000032:analysis; D012313:RNA / Q000032:analysis / Q000302:isolation & purification; D012260:Ribonucleases; D012911:Snakes; D013053:Spectrophotometry; D014316:Tritium; D014461:Ultracentrifugation; D014466:Ultraviolet Rays; D014688:Venoms
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D003597:Cytosine Nucleotides; D006150:Guanine Nucleotides; D009711:Nucleotides; D014688:Venoms; D014316:Tritium; D010758:Phosphorus; D012313:RNA; D004247:DNA; D003851:Deoxyribonucleases; D012260:Ribonucleases; D010744:Phosphoric Monoester Hydrolases; D008025:Ligases