Which of the following amino acids is coded by only single codon?

Question

Which of the following amino acids is coded by only single codon? (A) Tyrosine (B) Phenylalanine (C) Tryptophan (D) Isoleucine

Tardigrade Admin · Accepted Answer

The amino acid tryptophan is coded solely by a single codon of UGG. Tyrosine is coded by two different codons: UAU and UAC, phenylalanine is coded by two codons: UUU and UUC, and isoleucine is coded by 3 codons: AUU, AUC and AUA.

Q. Which of the following amino acids is coded by only single codon?

Tyrosine

Phenylalanine

Tryptophan

Isoleucine

The amino acid tryptophan is coded solely by a single codon of UGG. Tyrosine is coded by two different codons: UAU and UAC, phenylalanine is coded by two codons: UUU and UUC, and isoleucine is coded by 3 codons: AUU, AUC and AUA.