title: Structural analysis of a cDNA clone from Xenopus laevis containing a repetitive sequence element.
mesh_terms: D000818:Animals; D001483:Base Sequence; D002999:Clone Cells / Q000032:analysis; D004247:DNA / Q000032:analysis* / Q000302:isolation & purification; D011132:Polyribosomes / Q000032:analysis; D012335:RNA, Ribosomal / Q000032:analysis; D012091:Repetitive Sequences, Nucleic Acid; D014982:Xenopus laevis
chemical_list: D012335:RNA, Ribosomal; D004247:DNA