A string of 30 to 100 adenine nucleotides
A) is found in the promoter region of all genes.
B) is the sequence of which introns are composed.
C) is found at the 3'-end of all tRNAs.
D) is found in the terminator region of all genes.
E) is added to the 3'-end on mRNA during RNA processing.

Question

Quizplus · Accepted Answer

The string of adenine nucleotides, known as the poly-A tail, is added to the 3'-end of mRNA during RNA processing in eukaryotic cells.

A String of 30 to 100 Adenine Nucleotides