Question

Which of the following codons are considered to be the termination codons in protein synthesis?
(1) UAA
(2) UAC
(3) UAG
(4) AUC

• A. 1, 2 and 3 are correct
• B. 1 and 2 are correct
• C. 2 and 4 are correct
• D. 1 and 3 are correct

Answer 1

Answer: (C)

Three codons UAA (ochre), UAG (amber) and UGA (opal) are the chain step or termination codons. They do not codes for any of the amino acid.