Which of the following numbered events represents the correct sequence of events of prokaryotic translation initiation?
1) large ribosomal subunit binds to initiation complex
2) initiation tRNA binds small ribosomal subunit
3) initiation complex binds to ribosome recognition sequence on mRNA
A) 1 → 2 → 3
B) 1 → 3 → 2
C) 2 → 1 → 3
D) 2 → 3 → 1
E) 3 → 2 → 1

Question

Quizplus · Accepted Answer

In prokaryotic translation initiation, the initiation tRNA binds to the small ribosomal subunit first, then this complex binds to the ribosome recognition sequence on the mRNA, and finally, the large ribosomal subunit binds to form the complete initiation complex.

Which of the Following Numbered Events Represents the Correct Sequence