Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 17.1, Problem 2RIA
What is cDNA? Why is it necessary to generate cDNA before cloning and expressing a eukaryotic gene in a bacterium?
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Chapter 17 Solutions
Prescott's Microbiology
Ch. 17.1 - Examine the uncut piece of DNA shown in the upper...Ch. 17.1 - Which of the above enzymes yield blunt ends? Which...Ch. 17.1 - Why might two DNA fragments inadvertently be...Ch. 17.1 - Why must introns be removed from eukaryotic DNA...Ch. 17.1 - If a linear piece of DNA is cut with a restriction...Ch. 17.1 - Describe restriction enzymes, sticky ends, and...Ch. 17.1 - What is cDNA? Why is it necessary to generate cDNA...Ch. 17.1 - You want to visualize a digested plasmid that...Ch. 17.1 - What is the purpose of Southern blotting? How is a...Ch. 17.2 - Why, after three cycles, are the vast majority of...
Ch. 17.3 - Which plasmid is a shuttle vector? Why?Ch. 17.3 - What would you conclude if you obtained only blue...Ch. 17.3 - In what ways does the BAC shown here differ from...Ch. 17.3 - Briefly describe the polymerase chain reaction....Ch. 17.3 - Why is PCR used to detect infectious agents that...Ch. 17.3 - How would you use PCR to measure the concentration...Ch. 17.3 - Why is it possible to visualize a PCR product on...Ch. 17.3 - You want to clone a 6,000 bp DNA fragment in E...Ch. 17.5 - Why are long fragments (e.g., 20,000 bp) of...Ch. 17.6 - What special considerations are necessary if one...Ch. 17.6 - Prob. 1RIACh. 17.6 - Explain the selection for antibiotic resistance...Ch. 17.6 - Prob. 3RIACh. 17.6 - Prob. 4RIACh. 17.6 - Prob. 5RIACh. 17.6 - You are studying chemotaxis proteins in a newly...Ch. 17 - Which of the DNA molecules shown are recombinant?Ch. 17 - You are performing a PCR to amplify a gene...Ch. 17 - Prob. 2CHICh. 17 - Suppose you transformed a plasmid vector carrying...Ch. 17 - You are interested in the activity and regulation...Ch. 17 - Prob. 5CHICh. 17 - Zymomonas mobilis is a Gram-negative bacterium...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Considering that prokaryote genomes do not have large introns, how is it possible to move a eukaryotic gene into a transformed bacterium, since they lack a spliceosome?arrow_forwardWhy are cDNA libraries desirable for the expression of eukaryotic genes in prokaryotes?arrow_forwardIf you wanted to study the nature of transcription in yeast under aerobic versus anaerobic conditions, how could you use DNA microarrays to accomplish this?arrow_forward
- What is a consensus sequence? How similar to the consensus sequence would you expect the promoter of a lowly expressed gene to be? Explain.arrow_forwardWhat is cDNA? In eukaryotes, how does cDNA differ from genomic DNA?arrow_forwardWhat is the difference between nonhomologous end-joining (NHEJ) and homology-directed repair (HDR) in the context of genome editing?arrow_forward
- Why isn’t cDNA synthetic?arrow_forwardHow is cDNA produced?arrow_forwardA full-length eukaryotic gene is inserted into a bacterial chromosome. The gene contains a complete promoter sequence and a functional polyadenylation sequence, and it has wild-type nucleotides throughout the transcribed region. However, the gene fails to produce a functional protein. a)List at least 3 possible reasons why this eukaryotic gene is not expressed in bacteria. b)What changes would you recommend to permit expression of this eukaryotic gene in a bacterial cell?arrow_forward
- How can a tRNA be engineered to encode for a syntheticamino acid?arrow_forwardThe human hexokinase enzyme has the same function as the bacterial hexokinase enzyme but is somewhat different in its amino acid sequence. You have obtained a mutant bacterial strain in which the gene for hexokinase is missing. If you introduce into your mutant strain a DNA plasmid engineered to contain the DNA coding sequence of the human hexokinase gene, what must you also include? a)The human hexokinase promoter b)The bacterial hexokinase promoter c)Both the human and bacterial promoters d)You cannot engineer a bacteria to produce a human enzymearrow_forwardWhy do adult human cells (other than germ cells and stem cells) NOT express the enzyme telomerase? In other words what benefit does not having telomerase provide to these cells?arrow_forward
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