Sequence of three nitrogen-containing bases of RNA that codifies one amino acid is called codon .
Bases in mRNA are grouped into sets of three called codons. A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal in the process of protein synthesis.
The three letter nature of codons means that the four nucleotides found in mRNA A, U, G, and C that can produce a total of 64 different combinations. These codons will match complementary to an anticodon which will have an amino acid attached.
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