Which of the Following Is a Function of a Poly-A

question 19

Multiple Choice

Which of the following is a function of a poly-A signal sequence?

• A) It adds the poly-A tail to the 3' end of the mRNA.
• B) It codes for a sequence in eukaryotic transcripts that signals enzymatic cleavage ~10-35 nucleotides away.
• C) It allows the 3' end of the mRNA to attach to the ribosome.
• D) It is a sequence that codes for the hydrolysis of the RNA polymerase.
• E) It adds a 7-methylguanosine cap to the 3' end of the mRNA.

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Definitions:

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