title: [Species specificity, from the aspect of molecular genetics].
mesh_terms: D002845:Chromatography; D004261:DNA Replication; D004586:Electrophoresis; D005796:Genes; D008967:Molecular Biology; D011506:Proteins; D012333:RNA, Messenger; D012270:Ribosomes; D013045:Species Specificity
chemical_list: D011506:Proteins; D012333:RNA, Messenger