What Defines the End of a Eukaryotic Gene

Multiple Choice

What defines the end of a eukaryotic gene?

A) A 3' UTR of at least 25 nucleotides recruits an RNase that cleaves the pre- mRNA.
B) Presence of a polyadenylation signal sequence leads to cleavage of the pre- mRNA.
C) A stem- loop structure in the transcriptional terminator region stalls the RNA polymerase.
D) There is no clearly defined end to eukaryotic genes, unlike for bacterial genes.
E) Presence of a stop codon leads to RNA polymerase stalling and ceasing transcription.