Campbell Biology Chapter 16-17
 |
Campbell Biology Chapter 16-17
Total Views: 800140
Biology Review
Teams This Deck Belongs To
Flashcard Deck Tags
Flashcard Review
Deck Author
 |
Others Studying this Deck
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Free Flashcard From Campbell Biology Chapter 16-17
Question:
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.
Answer:
D) The molecule is digested by exonucleases since it is no longer protected at the 5' end.