Which of the following is not a modification to the mRNA before leaving the nucleus?
A)Intron removal
B)Promoter binding
C)End capping
D)Exon splicing

Question

Quizplus · Accepted Answer

Promoter binding occurs before transcription and is not a modification to the mRNA molecule itself. The other choices (intron removal, end capping, exon splicing) are modifications to the mRNA molecule that occur during the processing of pre-mRNA before it is transported out of the nucleus.

Which of the Following Is Not a Modification to the MRNA