Campbell Biology: Custom Edition
18th Edition
ISBN: 9781323717271
Author: Urry, Cain, Wasserman, Minorsky, Reece
Publisher: PEARSON C
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Textbook Question
Chapter 20, Problem 7TYU
Expression of a cloned eukaryotic gene in a bacterial cell involves many challenges. The use of mRNA and reverse transcriptase is part of a strategy to solve the problm of
- (A) post -transcriptional processing.
- (B) post-translational processing.
- (C)
nucleic acid hybridization. - (D) restriction fragment ligation.
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A) Outline the experimental procedure for cloning a eukaryotic gene and expressing it in
E. coli. Focus on the essential steps starting with eukaryotic gene amplification to
transformation of E. coli cells
B) Explain how insertional inactivation can help you identify the colonies that carry
the plasmid with your eukaryotic gene of interest
C) Plasmids containing antibiotic resistance genes are widely used in gene cloning and
other molecular biology techniques. What would happen if the eukaryotic gene was inserted into
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Codon optimization is a widely used process for recombinant expression in prokaryotic systems. Regarding this process, mark the incorrect alternative. *
A)increases the overall yield of expression of recombinant proteins.
B)prevents the formation of truncated proteins. C)increases the frequency of tRNAs that recognize rare codons.
D)does not interfere with the primary sequence of the recombinant protein.
Bacteriophage lambda is as one of the routinely used molecular cloning vectors, which alsoserved as a model system for the study of bacteriophage morphogenesis, DNA replication, andgene regulation.a) With the aid of a diagram, generally narrate how a foreign gene can be inserted into alambda insertion vector and subsequently infect an Escherichia coli cell.b) You are cloning a 7.5 kb gene into a lambda gt10 vector, utilizing a restriction site whichspecifically present in the vector. State the restriction site that you can use for this purposeand suggest a screening procedure to indicate successful integration of the gene into thehost genome.
Chapter 20 Solutions
Campbell Biology: Custom Edition
Ch. 20.1 - Prob. 1CCCh. 20.1 - DRAW IT One Strand of a DNA molecule has the...Ch. 20.1 - What are some potential difficulties in using...Ch. 20.1 - VISUAL SKILLS Compare Figure 20.7 with Figure...Ch. 20.2 - Prob. 1CCCh. 20.2 - Prob. 2CCCh. 20.3 - Based on current knowledge, how would you explain...Ch. 20.3 - Prob. 2CCCh. 20.3 - Prob. 3CCCh. 20.4 - What is the advantage of using stem cells for gene...
Ch. 20.4 - Prob. 2CCCh. 20.4 - Prob. 3CCCh. 20 - Describe how the process of gene doning results in...Ch. 20 - What useful Information is obtained by detecting...Ch. 20 - Describe how, using mice. a researcher could carry...Ch. 20 - What factors affecf whether a given genetic...Ch. 20 - In DNA technology, the term vector can refer to...Ch. 20 - Which of the following tools of DNA technology is...Ch. 20 - Prob. 3TYUCh. 20 - A paleontologist has recovered a bit of tissue...Ch. 20 - DNA technology has many medical applications....Ch. 20 - Which of the following is not true of cDNA...Ch. 20 - Expression of a cloned eukaryotic gene in a...Ch. 20 - Which Ii of the following sequences in...Ch. 20 - Prob. 9TYUCh. 20 - MAKE CONNECTIONS Looking at Figure 20.15, what...Ch. 20 - DRAW IT You are cloning an aardvark gene, using a...Ch. 20 - EVOLUTlON CONNECTION Ethical considerations aside,...Ch. 20 - Prob. 13TYUCh. 20 - Prob. 14TYUCh. 20 - The water in the Yellowstone National Park hot...
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