In which cellular organelle do the three posttranscriptional modifications often seen in the maturation of mRNA in eukaryotes occur?
A) nucleus
B) cytoplasm
C) mitochondrion
D) lysosome
E) Golgi

Question

Quizplus · Accepted Answer

The three posttranscriptional modifications of mRNA in eukaryotes—5' capping, 3' polyadenylation, and splicing—occur in the nucleus before the mRNA is transported to the cytoplasm for translation.

In Which Cellular Organelle Do the Three Posttranscriptional Modifications Often