title: Synthesis of ribosomal DNA in conjugating Tetrahymena.
mesh_terms: D000818:Animals; D003227:Conjugation, Genetic; D004247:DNA / Q000096:biosynthesis*; D005784:Gene Amplification; D009693:Nucleic Acid Hybridization; D012335:RNA, Ribosomal / Q000235:genetics*; D013768:Tetrahymena / Q000235:genetics / Q000378:metabolism*
chemical_list: D012335:RNA, Ribosomal; D004247:DNA