Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 8, Problem 8MC
An F pilus or its equivalent is essential for
1)DNA-mediated transformation.
2)chromosome transfer by conjugation.
3)plasmid transfer by conjugation.
4)generalized transduction.
5)cell movement.
a) 1, 2
b) 2, 3
c) 3, 4
d) 4, 5
e) 1, 5
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Chapter 8 Solutions
Nester's Microbiology: A Human Perspective
Ch. 8 - Prob. 1SACh. 8 - Why is deleting one nucleotide generally more...Ch. 8 -
3. What type of mutation in an operon is most...Ch. 8 -
4. What is meant by "proofreading" with respect...Ch. 8 - Why would a cell use SOS repair, considering that...Ch. 8 - Why is replica plating used to isolate an...Ch. 8 - What is transduction?Ch. 8 -
8. How is an F+ strain different from an Hfr...Ch. 8 - Name four mobile genetic elements.Ch. 8 - Why are R plasmids important?
Ch. 8 - UV light exposure forms a) covalent bonds between...Ch. 8 -
2. If cells were exposed to UV light, the highest...Ch. 8 -
3. Penicillin enrichment of mutants works on the...Ch. 8 -
4. Mechanisms that repair errors in nucleotide...Ch. 8 -
5. You are trying to isolate a mutant of...Ch. 8 -
6. All plasmids
1) carry genes for antimicrobial...Ch. 8 -
7. Adding DNase to a mixture of donor and...Ch. 8 -
8. An F pilus or its equivalent is essential...Ch. 8 - A plasmid that can replicate in E. coli and...Ch. 8 -
10. The frequency of transfer of an F' molecule...Ch. 8 -
1. Some bacteria may have higher mutation rates...Ch. 8 -
2. A pharmaceutical researcher is disturbed to...Ch. 8 - Prob. 1CTCh. 8 -
2. You have isolated a strain of E. coli that is...
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- Why is Agrobacterium mediated genetic transformation described as Natural Genetic engineering in plants?arrow_forwardDoes the removal of plasmid make a strain improved in nature? Why?arrow_forwardWhen an E. coli donor cell duplicates a strand of plasmid DNA, and passes this DNA strand to a recipient E. coli cell, without the use of naked DNA in solution or of a viral vector, this is: an example of horizontal gene transfer by means of lysogenic bacteriophages an example of horizontal gene transfer by means of lytic bacteriophages an example of horizontal gene transfer by means of transformation an example of horizontal gene transfer by means of transduction an example of horizontal gene transfer by means of conjugationarrow_forward
- What is a mobilizable plasmid?arrow_forwardMost temperate phages integrate into the host chromosome, whereas some replicate as plasmids. Which kind of relationship would you think would be more likely to maintain the phage in the host cell? Why?arrow_forwardThe plasmid (episome) F factor mediates which of the following? a. Transduction b. Transformation c. Conjugation d. Replication e. Translocationarrow_forward
- The five stages of the bacteriophage lytic cycle occur in this order:a. penetration, attachment, release, maturation, biosynthesis.b. attachment, penetration, release, biosynthesis, maturation.c. biosynthesis, attachment, penetration, maturation, release.d. attachment, penetration, biosynthesis, maturation, release.e. penetration, biosynthesis, attachment, maturation, release.arrow_forwardWhich of the following statements is true of plasmids? a. They are composed of RNA. b. They normally exist outside of bacterial cells. c. They possess only a single strand of DNA. d. They contain an origin of replicationarrow_forwardWhat is horizontal gene transfer? What are the three mechanisms for this to occur in bacteria? What are the components needed for the processes of transformation, conjugation, and transduction? How does each process occur? What genes are involved in each process? How do generalized and specialized transduction differ? What is the end result of each? What is recombination? What is the importance to bacteria & archaea? What are the two types of recombination? What are the details of each type? What components are needed for each type?arrow_forward
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genetic recombination strategies of bacteria CONJUGATION, TRANSDUCTION AND TRANSFORMATION; Author: Scientist Cindy;https://www.youtube.com/watch?v=_Va8FZJEl9A;License: Standard youtube license