What is a codon and anticodon?

1 Answer



The sequence of three nitrogen bases present on the m-RNA which specifies a single amino acid is called a Codon.

e.g. The codon GCU specifies the amino acid Alanine.


The sequence of three unpaired nitrogen bases present on the middle loop of t-RNA which is complementary to a specific codon of m-RNA is called anticodon.

e.g. The t-RNA for Alanine has the anticodon CGA.

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