Which of the following initiation factors prevents reassociation of the 70S ribosome by binding to the free 30S subunit?

Question

Quizplus · Accepted Answer

The initiation factor IF3 prevents reassociation of the 70S ribosome by binding to the free 30S subunit. This prevents premature assembly of the ribosome and helps to ensure that the correct sequence of events occurs during translation initiation. IF1 and IF2 are also involved in translation initiation but do not specifically prevent reassociation of the 70S ribosome. IF4 and IF5 are not directly involved in preventing reassociation of the ribosome.

Which of the Following Initiation Factors Prevents Reassociation of the 70S