What Defines the End of a Eukaryotic Gene

question 46

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.

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Definitions:

Sodium

A chemical element, symbol Na, that is a highly reactive metal and an essential mineral for living organisms.

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A chemical element with symbol K and atomic number 19, essential for various bodily functions including neural activity and muscle contraction.

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A peptide involved in the pain and stress responses of the body; it acts as a natural painkiller.