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codon
[ koh-don ]
noun
, Genetics.
- a triplet of adjacent nucleotides in the messenger RNA chain that codes for a specific amino acid in the synthesis of a protein molecule. Compare anticodon ( def ).
codon
/ ˈkəʊdɒn /
noun
- genetics biochem a unit that consists of three adjacent bases on a DNA molecule and that determines the position of a specific amino acid in a protein molecule during protein synthesis
codon
/ kō′dŏn′ /
- A sequence of three adjacent nucleotides on a strand of a nucleic acid (such as DNA) that constitutes the genetic code for a specific amino acid that is to be added to a polypeptide chain during protein synthesis. Some amino acids are coded for by more than one codon, and some codons do not signal a particular amino acid but rather signal a stop to protein synthesis.
codon
- A group of three bases on the DNA molecule . Each codon determines the identity of one amino acid in proteins made by the cell .
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Word History and Origins
Discover More
Word History and Origins
Origin of codon1
C20: from code + -on
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