Connect With Learnsmart Labs Online Access For Prescott's Microbiology
11th Edition
ISBN: 9781260408997
Author: Joanne Willey
Publisher: Mcgraw-hill Higher Education (us)
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Textbook Question
Chapter 6.4, Problem 1.1CC
Define the terms lysogeny, temperate phage, lysogen, prophage, immunity, and induction.
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phage can be "induced" as a result of DNA damage. Consequences of
induction include.
Temperate phage, e.g lambda phage; lytic cycle and transduction
Lytic T4 phage, assembly, conjugation
O Lytic phage, e.g. T4 phage; lysogenic cycle, prophage formation
Temperate phage, e.g. lambada phage, prophage formation, transformation
O T4 phage, lytic cycle, specialized trasnduction
In relation to immunotechnology, answer the following:
A- Answer the following in relation to Hybridoma technology:
→ What is the cancer cell line name used in hybridoma technology?
Explain what is meant by lysogeny, prophage, lysogenic induction,and lysogenic conversion.
Chapter 6 Solutions
Connect With Learnsmart Labs Online Access For Prescott's Microbiology
Ch. 6.2 - MICRO INQUIRY Which capsids are icosahedral? Which...Ch. 6.2 - Prob. 2MICh. 6.2 - MICRO INQUIRY Why is T4 said to have binal...Ch. 6.2 - Retrieve, Infer, Apply 1. How are viruses similar...Ch. 6.2 - Retrieve, Infer, Apply 2. What is the difference...Ch. 6.2 - Retrieve, Infer, Apply 3. Compare the structure of...Ch. 6.2 - Prob. 4CCCh. 6.2 - Retrieve, Infer, Apply 5. All four nucleic acid...Ch. 6.3 - MICRO INQUIRY Which of these mechanisms involves...Ch. 6.3 - MICRO INQUIRY Why do the empty capsids remain...
Ch. 6.3 - Explain why the receptors that viruses have...Ch. 6.3 - What probably plays the most important role in...Ch. 6.3 - How do you think the complexity of the viral...Ch. 6.3 - In general, DNA viruses can be much more dependent...Ch. 6.3 - Consider the origin of viral envelopes and suggest...Ch. 6.3 - Why are the proteins involved in virion assembly...Ch. 6.4 - Why is a lysogen considered a new or different...Ch. 6.4 - Define the terms lysogeny, temperate phage,...Ch. 6.4 - What advantages might a phage gain by being...Ch. 6.4 - Describe lysogenic conversion and its...Ch. 6.4 - How does a latent infection differ from a chronic...Ch. 6.4 - What is a cytocidal infection? What is a...Ch. 6.4 - Define the following terms: tumor, neoplasia,...Ch. 6.4 - Distinguish the mechanism by which dsDNA viruses...Ch. 6.5 - Prob. 1MICh. 6.5 - Prob. 1CCCh. 6.5 - Given that viruses must be cultivated to make...Ch. 6.7 - What are viroids and why are they of great...Ch. 6.7 - How does a viroid differ from a virus? From a...Ch. 6.7 - What is a prion? In what way does a prion differ...Ch. 6.7 - Prob. 4CCCh. 6 - Prob. 1RCCh. 6 - Prob. 2RCCh. 6 - Many classification schemes are used to identify...Ch. 6 - The origin and evolution of viruses is...Ch. 6 - Consider the separate stages of an animal virus...
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- What advantages might a phage gain by being capable of lysogeny?arrow_forwardDescribe the reason behind the occurrence of phage growth and release by the mating with the non-lysogenic recipient, but not with the infection by a lysogenic recipient.arrow_forwardClassify each statement as true of generalized transduction or specialized transduction. Generalized transduction Specialized transduction Answer Bank Genes transfer from random sites in the bacterial chromosome. This utilizes lysogenic phages. Genes that transfer depend on the prophage insertion site. This utilizes lytic phages. Phage inserts itself at a specific site in the bacterial chromosome. This requires accidental packaging of bacterial DNA in viral capsids.arrow_forward
- Compare the effect on the host cell of a lytic (virulent)phage and a lysogenic (temperate) phage.arrow_forwardYou are designing a phage therapy for a cystic fibrosis patient with an multi-antibiotic resistant Mycobacterium infection. The Mycobacterium infection is preventing the patient from taking immunosuppressant drugs that are needed for a successful lung transplant. The idea is that introducing the right phage to the patient will kill the Mycobacterium cells and allow the patient to go on immunosuppressant drugs that will ensure the new lung is not rejected by the body. You need to find a phage that infects the Mycobacterium you isolated from the patient. Which TWO options have the highest chance of success? A. Screening a colleague's library of known Mycobacterium phages for phage that infect the patient's Mycobacterium isolate b. Choosing likely candidates from analysis of phage 16S rRNA phylogeny in the tree of life C. Isolating new phage from soil using a plaque assay with the Mycobacterium isolate D. Obtaining a very well-studied phage, such as T4 bacteriophage, that…arrow_forwardYou are designing a phage therapy for a cystic fibrosis patient with an multi-antibiotic resistant Mycobacterium infection. The Mycobacterium infection is preventing the patient from taking immunosuppressant drugs that are needed for a successful lung transplant. The idea is that introducing the right phage to the patient will kill the Mycobacterium cells and allow the patient to go on immunosuppressant drugs that will ensure the new lung is not rejected by the body. You finally find a phage that you think will work because it attaches to and injects its genome into the patient's Mycobacterium isolate. Next, you need to be sure of what characteristics of the phage infection cycle? Pick all that are true A. That the phage delivers new antibiotic resistance genes to Mycobacterium via transduction B. That the correct proteins are expressed during the phages metabolism C. That the infection is lytic D.That lysogeny is the primary infection pathwayarrow_forward
- You are designing a phage therapy for a cystic fibrosis patient with an multi-antibiotic resistant Mycobacterium infection. The Mycobacterium infection is preventing the patient from taking immunosuppressant drugs that are needed for a successful lung transplant. The idea is that introducing the right phage to the patient will kill the Mycobacterium cells and allow the patient to go on immunosuppressant drugs that will ensure the new lung is not rejected by the body. You need to find a phage that infects the Mycobacterium you isolated from the patient. Which TWO options have the highest chance of success? Group of answer choices 1.Isolating new phage from soil using a plaque assay with the Mycobacterium isolate 2.Choosing likely candidates from analysis of phage 16S rRNA phylogeny in the tree of life 3.Obtaining a very well-studied phage, such as T4 bacteriophage, that specifically targets E. coli 4.Screening a colleague's library of known Mycobacterium phages for phage that…arrow_forwardThe mechanism of specialized transduction relies on the improper excision of a bacteriophage genome that is integrated in the host cell chromosom A) O True B) O Falsearrow_forwardWhich of the following statements describes the lysogenic cycle of lambda (A) phage? After infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses. Most of the prophage genes are activated by the product of a particular prophage gene. The phage DNA is incorporated into the bacteria DNA The phage DNA is copied and exits the cell as a phage. The phage DNA get destructed by the host bacteria DNAarrow_forward
- Which type of phages can perform generalized transduction?arrow_forwardDuring the lysogenic cycle of lambda (1) phage the phage genome is integrated in the host chromosome where it is passed on to daughter cells through binary fission. the phage DNA is copied and accumulates in the cytoplasm. Then a trigger causes capsid proteins to be made and phages are assembled. the product of one prophage gene is made and it activates most of the other prophage genes. the viral genes immediately turn the host cell into a lambda-producing factory. Then the host lyses. 0000arrow_forwarda. Which type of viruses can be directly used for translation? a) dsRNA b) Positive ssRNA c) Retroviruses d) Negative ssRNA b. An antiviral drug specifically modifies viral receptors on a eukaryotic host cell. How might this affect the viral reproductive cycle? It would enhance the process of viral apoptosis It would result in the degeneration of the viral capsid It would facilitate the process of viral endocytosis It would prevent the virus from attaching to the host cellarrow_forward
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