Which of the following experimental procedures is most likely to hasten mRNA degradation in a eukaryotic cell?

Which of the following experimental procedures is most likely to hasten mRNA degradation in a eukaryotic cell? 





A) enzymatic shortening of the poly-A tail
B) removal of the 5' cap
C) methylation of C nucleotides
D) methylation of histones
E) removal of one or more exons






Answer: B


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