Which of the following is the most commonly used stop codon in most mRNA molecules?
A) UGA
B) AUG
C) AAA
D) GAA
E) CAG

Question

Quizplus · Accepted Answer

UGA is the most commonly used stop codon in most mRNA molecules. It signals the end of protein synthesis and initiates release of the newly synthesized protein. AUG is actually the start codon, while AAA, GAA, and CAG are all codons for amino acids (lysine, glutamic acid, and glutamine, respectively).

Which of the Following Is the Most Commonly Used Stop