| 单词 | codon |
| 释义 | codon noun[C] biologyspecializeduk/ˈkəʊ.dɒn/us/ˈkoʊ.dɑːn/a set of threenucleotidesthat togetherformaunitofgeneticcodein aDNAorRNAmolecule （基因的）密码子Genetics
You can also find related words, phrases, and synonyms in the topics: Biochemistry codon| American Dictionarycodon noun[C] us/ˈkoʊ·dɑn/biology agroupof threechemicalsubstancesinDNAthatcontainstheinformationfor one of theaminoacids, which arenecessaryfor makingprotein(=substancenecessaryfor thebodytogrow) Examplesofcodoncodon This analysis helped to locate the position of the translation startcodonmore precisely. From theCambridge English Corpus Finally, all 38 isolates encoded isoleucine atcodon356. From theCambridge English Corpus Thus, the thirdcodonposition was excluded from further analysis. From theCambridge English Corpus Conversely, according to the selective model, recombination should improve the efficacy of selection against all non-optimal codons. From theCambridge English Corpus Hence, there is no evidence that recombination increases the efficacy of selection against non-optimal codons. From theCambridge English Corpus For these comparisons, analyses were effected on the alignment including allcodonpositions. From theCambridge English Corpus Finally, the fragment including the putative initiationcodonwas obtained and sequenced. From theCambridge English Corpus The second difficulty is the way to define the contribution of eachcodonto the fitness of a genome. From theCambridge English Corpus The initialcodonis indicated in bold capital letters and stop codons in bold lower-case letters. From theCambridge English Corpus The remaining 25% are mainly third base substitutions in codons which are silent (synonymous nucleotide substitutions). From theCambridge English Corpus Nucleotide substitutions were mainly transitions and most of them occurred at the thirdcodon. From theCambridge English Corpus Although the number of clones was limited caused by specimen availability, the analysedcodonutilization did not have a strong bias. From theCambridge English Corpus Therefore, major codons should be more beneficial (and therefore, fixed in the population) in highly expressed genes. From theCambridge English Corpus In addition, the antigen of interest is often 'codonoptimised' to improve expression levels. From theCambridge English Corpus For a number of organisms, evidence suggests that biasedcodonusage reflects the action of selection to maximize translational efficiency and accuracy. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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