Each Eukaryotic MRNA, Even After Post-Transcriptional Modification, Includes 5' and 3

Each eukaryotic mRNA, even after post-transcriptional modification, includes 5' and 3' UTRs. Which are these?

A) the cap and tail at each end of the mRNA
B) the untranslated regions at either end of the coding sequence
C) the U attachment sites for the tRNAs
D) the U translation sites that signal the beginning of translation
E) the U - A pairs that are found in high frequency at the ends

Correct Answer:

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