title: The structure of nuclear pre-mRNAs. V. Double-standed regions in giant pre-mRNAs.
mesh_terms: D000818:Animals; D001483:Base Sequence; D002286:Carcinoma, Ehrlich Tumor / Q000032:analysis; D002467:Cell Nucleus / Q000032:analysis*; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D004355:Drug Stability; D006358:Hot Temperature; D006882:Hydroxyapatites; D051379:Mice; D009691:Nucleic Acid Denaturation; D009693:Nucleic Acid Hybridization; D009841:Oligonucleotides / Q000032:analysis; D009994:Osmolar Concentration; D010761:Phosphorus Radioisotopes; D011132:Polyribosomes / Q000032:analysis; D012333:RNA, Messenger / Q000032:analysis / Q000302:isolation & purification; D012335:RNA, Ribosomal; D012260:Ribonucleases; D012265:Ribonucleotides / Q000032:analysis
chemical_list: D006882:Hydroxyapatites; D009841:Oligonucleotides; D010761:Phosphorus Radioisotopes; D012333:RNA, Messenger; D012335:RNA, Ribosomal; D012265:Ribonucleotides; D012260:Ribonucleases