Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 20, Problem 20.4CC
Summary Introduction
To determine: The part of the glp-1 mRNA which is affected because of which the protein GLP-1 is now expressed in all four cells.
Introduction: While studying the protein GLP-1 in C. elegans, a protein which is found in only two of the four cells of the early embryo, a mutation was seen in a region of the glp-1 gene which encodes an exon, but does not affect the sequence of the GLP-1 protein. The mutation caused the protein GLP-1 to now be expressed in all four cells.
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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
What is the structure and function of Eukaryotic cells, including their organelles? How are Eukaryotic cells different than Prokaryotic cells, in terms of evolution which form of the cell might have came first? How do Eukaryotic cells become malignant (cancerous)?
What are the roles of DNA and proteins inside of the cell? What are the building blocks or molecular components of the DNA and proteins? How are proteins produced within the cell? What connection is there between DNA, proteins, and the cell cycle? What is the relationship between DNA, proteins, and Cancer?
Chapter 20 Solutions
Becker's World of the Cell (9th Edition)
Ch. 20 - Suppose you are analyzing a haploid E. coli strain...Ch. 20 - How do epigenetic changes, such as DNA...Ch. 20 - Compare the basic state of a gene in bacteria...Ch. 20 - Prob. 1QCh. 20 - Prob. 20.4CCCh. 20 - Prob. 20.1PSCh. 20 - The Pickled Prokaryote. Pickelensia hypothetica is...Ch. 20 - Prob. 20.3PSCh. 20 - Attenuation in 25 or Fewer Words. Complete each of...Ch. 20 - Prob. 20.5PS
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