Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 7, Problem 9CONQ
Summary Introduction
To review:
Lytic and lysogenic cycles of bacteriophage and definition of prophage.
Introduction:
Virus that injects bacteria is known as bacteriophage. Phage means ‘eater’ so bacteriophage are bacteria eater. Body of bacteriophages are composed of
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From the perspective of a bacteriophage, what is the advantage of being able to follow either a lytic or a lysogenic cycle?
Briefly describe the two approaches a bacteriophagecan take to trigger an infection once inside its host cell.
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Chapter 7 Solutions
Genetics: Analysis and Principles
Ch. 7.1 - 1. A form of genetic transfer that involves the...Ch. 7.2 - 1. A bacterial cell with an F factor conjugates...Ch. 7.2 - 2. Which of the following is a type of plasmid?...Ch. 7.3 - 1. With regard to conjugation, a key difference...Ch. 7.3 - 2. In mapping experiments, ______ strains are...Ch. 7.4 - Prob. 1COMQCh. 7.4 - Cotransduction may be used to map bacterial genes...Ch. 7.5 - Prob. 1COMQCh. 7.5 - Prob. 2COMQCh. 7.6 - 1. Which of the following is an example of...
Ch. 7 - 1. The terms conjugation, transduction, and...Ch. 7 - Prob. 2CONQCh. 7 - If you mix together an equal number of F+ and F...Ch. 7 - What is the difference between an F+ and an Hfr...Ch. 7 - 5. What is the role of the origin of transfer...Ch. 7 - 6. What is the role of sex pili during...Ch. 7 - Prob. 7CONQCh. 7 - Prob. 8CONQCh. 7 - Prob. 9CONQCh. 7 - 10. What is cotransduction? What determines the...Ch. 7 - Prob. 11CONQCh. 7 - Prob. 12CONQCh. 7 - Describe the steps that occur during bacterial...Ch. 7 - Prob. 14CONQCh. 7 - Prob. 15CONQCh. 7 - Antibiotics such as tetracycline, streptomycin,...Ch. 7 - Prob. 1EQCh. 7 - 2. In the experiment of Figure 7.1, Lederberg and...Ch. 7 - Explain how a U-tube apparatus can distinguish...Ch. 7 - Prob. 4EQCh. 7 - 5. In a conjugation experiment, what is meant by...Ch. 7 - In your laboratory, you have an F strain of E....Ch. 7 - 7. As mentioned in question 2 of More Genetic...Ch. 7 - An Hfr strain that is hisE+ and pheA+ was mixed...Ch. 7 - Acridine orange is a chemical that inhibits the...Ch. 7 - Prob. 10EQCh. 7 - Prob. 11EQCh. 7 - Lets suppose a new strain of P1 phage has been...Ch. 7 - If two bacterial genes are 0.6 minute apart on the...Ch. 7 - 14. In a cotransduction experiment involving P1,...Ch. 7 - Prob. 15EQCh. 7 - Prob. 16EQCh. 7 - 1. Discuss the advantages of the genetic analysis...Ch. 7 - Prob. 2QSDC
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- A cell infected with lambda bacteriophage can follow one of two pathways: the lytic or lysogenic pathway. Describe the similarities and differences between the structure of cI and Cro, paying particular attention to the features that allow them to carry out their different functions.arrow_forwardDefine and compare a bacteriophage lytic cycle and lysogenic cycle.arrow_forwardDescribe in general terms how bacteriophage lambda regulates the switch between lytic and lysogenic cyclesarrow_forward
- outline the sequence of events that comprise the mechanism used by a bacteriophage in order to infect a bacteria cell.arrow_forwardDefine what is bacteriophage ?arrow_forwardBriefly describe how the Nucleocapsid protein of rabies virus promotes the switch from transcription to viral genomic replication.arrow_forward
- Describe how lytic bacteriophages are released from their host cells.arrow_forwardWhich statement is true regarding a bacteriophage in the lysogenic cycle? 111 A) O The bacteriophage can exit the lysogenic state depending on the condition of host cell B) O While in this cycle, it would cause no harm to the host cell. O OAs the host cell divides, the bacteriophage genome will be present in all of the host cell's progeny. |D) OIt would become a prophage. E) O All are true statements.arrow_forwardDefine the following terms: Bacteriophage λ DNA Plasmid Maparrow_forward
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