What is the purpose for the addition of the 5' 7-methyl guanosine cap on eukaryotic pre-mRNA molecules?
A) It prevents the degredation of the sequence by nucleases
B) It prevents the degredation of the sequence by lysosomes
C) It guides the pre-mRNA sequence out of the plasma membrane
D) All of these
E) None of these

Question

Quizplus · Accepted Answer

The addition of the 5' 7-methyl guanosine cap on eukaryotic pre-mRNA molecules serves as a recognition site for ribosomes during translation and helps to prevent degradation of the mRNA by exonucleases.

What Is the Purpose for the Addition of the 5