Which of the following is a Nonsense codon :

Correct Answer: UAG
Description: Non-sense codons/Terminator Codons/Punctuator codons Codons which do not code for any paicular amino acid. Mark end of protein synthesis. These codons are UAA UAG UGA UGA is a stop codon; But in special circumstances, it stands for seleno-cysteine ("21st" amino acid). UAG is a stop codon; But in special circumstances, it stands for pyrrolysine (22nd amino acid)
Category: Biochemistry
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