Biological Science
5th Edition
ISBN: 9780321743671
Author: Scott Freeman
Publisher: PEARSON
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Chapter 17, Problem 6TYK
Summary Introduction
Introduction:
In eukaryotes, the poly (A) tail at the 3’ (3-prime) end of the pre-mRNA (pre-messenger ribonucleic acid) stabilizes the mRNA. The mRNA is protected from enzymatic degradation in the cytoplasm by the presence of poly (A) tail at the end of the mRNA sequence. This poly (A) tail also helps in the movement of mRNA from the nucleus to the cytosol and promotes the mRNA translation by the ribosomes.
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Chapter 17 Solutions
Biological Science
Ch. 17 -
4. What does a bacterial RNA polymerase produce...Ch. 17 - How did the A site of the ribosome get its name?...Ch. 17 -
2. Where is the start codon located?
a. at the...Ch. 17 - Prob. 3TYKCh. 17 - Prob. 6TYKCh. 17 - Prob. 5TYKCh. 17 - 5. RNases and proteases are enzymes that destroy...Ch. 17 - Prob. 7TYUCh. 17 -
8. According to the wobble rules, the correct...Ch. 17 - Prob. 14TYPSS
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