title: Spectral studies of fragmented ribosomal DNA of sea urchin (Lytechinus variegatus).
mesh_terms: D000818:Animals; D004247:DNA / Q000032:analysis*; D012270:Ribosomes / Q000032:analysis*; D012617:Sea Urchins / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D004247:DNA