Which of the following steps must a primary RNA transcript undergo before it becomes a fully processed, mature mRNA?
A) Capping, polyadenylation, and splicing
B) Splicing
C) Splicing and reverse transcription
D) Capping and splicing
E) Splicing and transport

Question

Quizplus · Accepted Answer

Capping, polyadenylation, and splicing are essential steps in the processing of a primary RNA transcript into mature mRNA in eukaryotic cells. Capping adds a modified guanine nucleotide to the 5' end, polyadenylation adds a tail of adenine nucleotides to the 3' end, and splicing removes introns.

Which of the Following Steps Must a Primary RNA Transcript