In an Experimental Situation, a Student Researcher Inserts an MRNA

question 42

Multiple Choice

In an experimental situation, a student researcher inserts an mRNA molecule into a eukaryotic cell after he has removed its 5' cap and poly-A tail. Which of the following would you expect him to find?

• A) The mRNA could not exit the nucleus to be translated.
• B) The cell recognizes the absence of the tail and polyadenylates the mRNA.
• C) The molecule is digested by restriction enzymes in the nucleus.
• D) The molecule is digested by exonucleases since it is no longer protected at the 5' end.
• E) The molecule attaches to a ribosome and is translated, but more slowly.

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