PRESCOTT'S MICROBIOLOGY
11th Edition
ISBN: 2818440045677
Author: WILLEY
Publisher: MCG
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Textbook Question
Chapter 17, Problem 1MI
Which of the DNA molecules shown are recombinant?
Expert Solution & Answer
Summary Introduction
A recombinant DNA is a type of DNA having new nucleotide sequences. Such type of DNA is formed by linking the fragments obtained from two or more different sources. The first breakthrough of the recombinant DNA technology was the bacterial enzymes that cut the double-stranded DNA. These bacterial enzymes are referred to as restriction enzymes.
Explanation of Solution
The provided figure shows four steps that are involved in the cloning of a gene. These steps include:
- 1. Isolation of DNA which is to be cloned.
- 2. Generation of DNA fragments by means of restriction enzymes or PCR.
- 3. Insertion of DNA fragments into the cloning vector in order to generate a recombinant DNA molecule.
- 4. Introduction of recombinant DNA into the new host cell which expresses the gene.
The DNA molecule shown in step 3 in the given figure is the recombinant DNA molecule. This step shows the vector along with an insert referred to as a recombinant DNA molecule. The bacterium produced, shown in step 4, is the recombinant organism.
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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 - Prob. 3MICh. 17.1 - What would you conclude if you obtained only blue...Ch. 17.1 - Why must introns be removed from eukaryotic DNA...Ch. 17.1 - Which plasmid is a shuttle vector? Why?Ch. 17.1 - In what ways does the BAC shown here differ from...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 - Prob. 3CC
Ch. 17.1 - Prob. 4CCCh. 17.1 - Prob. 5CCCh. 17.2 - Why, after three cycles, are the vast majority of...Ch. 17.2 - Briefly describe the polymerase chain reaction....Ch. 17.2 - Why is PCR used to detect infectious agents that...Ch. 17.2 - How would you use PCR to measure the concentration...Ch. 17.2 - Why is it possible to visualize a PCR product on...Ch. 17.2 - Prob. 5CCCh. 17.3 - Why are long fragments (e.g., 20,000 bp) of...Ch. 17.4 - What special considerations are necessary if one...Ch. 17.4 - Prob. 1CCCh. 17.4 - Prob. 2CCCh. 17.4 - Prob. 3CCCh. 17.4 - You are studying chemotaxis proteins in a newly...Ch. 17.5 - Prob. 1MICh. 17.5 - Prob. 1CCCh. 17.5 - Prob. 2CCCh. 17 - Which of the DNA molecules shown are recombinant?Ch. 17 - Prob. 1RCCh. 17 - Prob. 2RCCh. 17 - Prob. 3RCCh. 17 - Prob. 4RCCh. 17 - Prob. 5RCCh. 17 - Prob. 6RCCh. 17 - Prob. 1ALCh. 17 - Prob. 2ALCh. 17 - Suppose you transformed a plasmid vector carrying...Ch. 17 - You are interested in the activity and regulation...Ch. 17 - Prob. 5ALCh. 17 - Prob. 6ALCh. 17 - Prob. 7AL
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