title: Non-randomness of nucleotide bases in mRNA codons.
mesh_terms: D001483:Base Sequence; D001669:Biochemical Phenomena; D001671:Biochemistry; D003062:Codon; D005815:Genetic Code; D008954:Models, Biological; D011336:Probability; D012333:RNA, Messenger
chemical_list: D003062:Codon; D012333:RNA, Messenger