Question

Which of these is not a stop codon?

• A. UAA
• B. UAG
• C. UGC
• D. UGA

Answer 1

Answer:

C. UGC

• The stop codons in mRNA are UAA, UAG, and UGA.

• The codon UAC is not a stop codon; it codes for the amino acid tyrosine.

• In biology, codons are three-letter sequences of mRNA nucleotides that correspond to specific amino acids or signal the termination of translation.