Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 17, Problem 15PIAT
Summary Introduction
To review:
The importance of adding a toxin in the study that aimed to determine the speed of pre-mRNA (messenger ribonucleic acid) splicing in the cells.
Introduction:
In biology, splicing is the conversion of the nascent messenger RNA (pre-mRNA) transcript into a mature messenger RNA (mRNA). During splicing, introns (noncoding regions) are removed from the pre-mRNA and the mature messenger RNA contains only exons (coding regions).
Biologists have investigated how fast pre-mRNA splicing occurs by treating cells with a toxin that blocks the production of new pre-mRNAs, then following the rate of splicing of the pre-mRNAs that were transcribed before adding the toxin.
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8. Transcription and Translation Practice: (Video 10-1 and 10-2)
A. Below is the sense strand of a DNA gene. Using the sense strand, create the antisense
DNA strand and label the 5' and 3' ends.
B. Use the antisense strand that you create in part A as a template to create the mRNA
transcript of the gene and label the 5' and 3' ends.
C. Translate the mRNA you produced in part B into the polypeptide sequence making sure
to follow all the rules of translation.
5'-AGCATGACTAATAGTTGTTGAGCTGTC-3' (sense strand)
4
Chapter 17 Solutions
Biological Science (6th Edition)
Ch. 17 - Prob. 1TYKCh. 17 - CAUTION Where is the start codon located? a. at...Ch. 17 - Prob. 3TYKCh. 17 - Prob. 4TYKCh. 17 - 5. RNases and proteases are enzymes that destroy...Ch. 17 - Prob. 6TYUCh. 17 - Prob. 7TYUCh. 17 - Prob. 8TYUCh. 17 - The nucleotide shown below is called cordycepin...Ch. 17 - Prob. 10TYPSS
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