Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Ihe na-eme ka ha na-agafe: A na-eji ihe ndị dị n'ime mkpụrụ ndụ ihe nketa emepụta protein site n'amịno acid. Protein nke ọ bụla nwere usoro amino acid nke ya pụrụ iche nke usoro nucleotide nke mkpụrụ ndụ ihe nketa nke na-ezo aka na protein a. Usoro mkpụrụ ndụ ihe nketa bụ usoro nke atọ-nucleotide setịpụrụ nke a na-akpọ codons na nke ọ bụla atọ-nucleotide Nchikota na-egosi amino acid, n'ihi na ihe atụ AUG (adenine-uracil-guanine) bụ koodu maka methionine. Ebe ọ bụ na DNA nwere nucleotides anọ, ngụkọta ọnụ ọgụgụ nke codons ndị a pụrụ inwe bụ 64; n'ihi ya, e nwere ụfọdụ ihe ndị na-adịghị mkpa n'usoro mkpụrụ ndụ ihe nketa, ebe ụfọdụ amino acid nwere ihe karịrị otu codon. A na-ebu ụzọ edepụta mkpụrụ ndụ ihe nketa ndị dị na DNA n'ime RNA (mRNA) site na protein ndị dị ka RNA polymerase. Ihe ka ọtụtụ n'ụmụ anụmanụ na-emezi pre-mRNA (nke a makwaara dị ka ihe odide mbụ) site na iji ụdị mgbanwe Post-transcriptional dị iche iche iji mepụta mRNA tozuru etozu, nke a na-ejizi dị ka template maka protein synthesis site na ribosome. Na prokaryotes, enwere ike iji mRNA mee ihe ozugbo emepụtara ya, ma ọ bụ jikọta ya na ribosome mgbe ọ hapụsịrị nucleoid. N'ụzọ dị iche, eukaryotes na-eme mRNA n'ime mkpụrụ ndụ cell ma na-ebufe ya n'ofe akpụkpọ ahụ nuclear n'ime cytoplasm, ebe a na-eme njikọ protein. Ọsọ nke protein na-agbakọta dị elu na prokaryotes karịa eukaryotes ma nwee ike iru 20 amino acids kwa sekọnd. Usoro nke synthesizing protein site na template mRNA a maara dị ka ntụgharị. A na-etinye mRNA n'ime ribosome ma na-agụ nucleotide atọ n'otu oge site na ijikọta codon nke ọ bụla na anticodon ya na-ejikọta ya na mkpụrụ ndụ RNA na-ebufe, nke na-ebu amino acid kwekọrọ na codon ọ na-amata. Enzyme aminoacyl tRNA synthetase na-eji amino acid ndị kwesịrị ekwesị "ebu" mkpụrụ ndụ tRNA. A na-akpọkarị polypeptide na-eto eto bụ agbụ na-eto eto. A na-eji ihe ndị dị na protein eme ihe mgbe nile site na N-terminus ruo na C-terminus. A pụrụ iji ọnụ ọgụgụ amino acid ndị dị na ya na ngụkọta ngụkọta nke ihe ndị dị na ya, nke bụ...  Ajụjụ: Gịnị ka AUG pụtara?
adenine-uracil-guanine