Which of the following processes occurs when termination of translation takes place?
A) The end of the mRNA molecule is reached.
B) A stop codon is reached.
C) The 5′ cap is reached.
D) The poly-A tail is reached.

Question

Quizplus · Accepted Answer

Termination of translation occurs when a stop codon (UAA, UAG, or UGA) is reached on the mRNA molecule. The stop codon signals the end of the protein sequence and release factors bind to the ribosome to terminate translation. The 5′ cap and poly-A tail are involved in the initiation and stability of translation, but are not directly related to termination.

Which of the Following Processes Occurs When Termination of Translation