title: The integrity of "giant" nuclear RNA.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000032:analysis; D002499:Centrifugation, Density Gradient; D004591:Electrophoresis, Polyacrylamide Gel; D004625:Embryo, Nonmammalian; D005557:Formaldehyde; D006358:Hot Temperature; D007553:Isotope Labeling; D009691:Nucleic Acid Denaturation; D011132:Polyribosomes / Q000032:analysis; D012313:RNA / Q000032:analysis*; D012333:RNA, Messenger / Q000032:analysis; D012617:Sea Urchins / Q000032:analysis* / Q000166:cytology; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors; D014316:Tritium
chemical_list: D012333:RNA, Messenger; D014316:Tritium; D005557:Formaldehyde; D012313:RNA