title: Composite structure of the chloroplast 23 S ribosomal RNA genes of Chlamydomonas reinhardii. Evolutionary and functional implications.
mesh_terms: D001483:Base Sequence; D005075:Biological Evolution; D002696:Chlamydomonas / Q000235:genetics*; D002736:Chloroplasts / Q000032:analysis*; D004270:DNA, Circular; D004926:Escherichia coli / Q000235:genetics; D005056:Euglena gracilis / Q000235:genetics; D009690:Nucleic Acid Conformation; D012335:RNA, Ribosomal / Q000235:genetics*; D012270:Ribosomes / Q000032:analysis; D003313:Zea mays / Q000235:genetics
chemical_list: D004270:DNA, Circular; D012335:RNA, Ribosomal