genetic code(redirected from Stop-codon)
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1. The set of DNA and RNA sequences that determine the amino acid sequences used in the synthesis of an organism's proteins. It is the biochemical basis of heredity and nearly universal in all organisms.
2. The set of 64 codons corresponding to the 20 amino acids used for protein synthesis and as the signals for starting and stopping protein synthesis.
genetic coding n.
(Biochemistry) biochem the order in which the nitrogenous bases of DNA are arranged in the molecule, which determines the type and amount of protein synthesized in the cell. The four bases are arranged in groups of three in a specific order, each group acting as a unit (codon), which specifies a particular amino acid. See also messenger RNA, transfer RNA
the biochemical instructions that translate the genetic information present as a linear sequence of nucleotide triplets in messenger RNA into the correct linear sequence of amino acids for the synthesis of a particular peptide chain or protein. Compare codon, translation (def. 6).
The sequence of organic bases (called nucleotides) in DNA and RNA that determines the structure of amino acids in a protein.
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|Noun||1.||genetic code - the ordering of nucleotides in DNA molecules that carries the genetic information in living cells|
ordering, ordination, order - logical or comprehensible arrangement of separate elements; "we shall consider these questions in the inverse order of their presentation"
triplet code - the normal version of the genetic code in which a sequence of three nucleotides codes for the synthesis of a specific amino acid