单词	codon
释义	codon noun co·​don ˈkō-ˌdän  : a specific sequence of three consecutive nucleotides that is part of the genetic code and that specifies a particular amino acid in a protein or starts or stops protein synthesis called also triplet Example Sentences Recent Examples on the Web Every three consecutive nucleotides in this chain can constitute what’s called a codon. Bruce Y. Lee, Forbes, 5 Jan. 2022 One way that viruses adapt is by encoding proteins using the same choice of codons as their host. David Cyranoski, Scientific American, 23 Jan. 2020 One way is using genetic data to look at codons—triplets of DNA or RNA letters that are the instructions for making proteins. Megan Molteni, Wired, 23 Jan. 2020 Wei’s team compared the codons favoured by 2019-nCoV with those preferred by potential hosts including hedgehogs, pangolins, bats, chickens, humans and snakes. David Cyranoski, Scientific American, 23 Jan. 2020 Wei’s team compared the codons preferred by 2019-nCoV to those preferred by a handful of potential hosts: humans, bats, chickens, hedgehogs, pangolins, and two species of snakes. Megan Molteni, Wired, 23 Jan. 2020 The same general argument could apply to whether three is the best number of letters for constituting a codon. Quanta Magazine, 2 Jan. 2018 Researchers studying the genetic code have gradually determined that its codon-amino acid assignments are decidedly not random. Quanta Magazine, 2 Jan. 2018 In modern strains, it has been reduced to an imperfect, nonfunctional copy called a pseudogene, thanks to a stop codon in the middle of its sequence. Kiona N. Smith, Ars Technica, 26 Sep. 2018 See More Word History Etymology code entry 1 + -on entry 2 First Known Use 1962, in the meaning defined above Medical Definition codon noun co·​don ˈkō-ˌdän  : a specific sequence of three consecutive nucleotides that is part of the genetic code and that specifies a particular amino acid in a protein or starts or stops protein synthesis called also triplet
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