Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 6.L1, Problem 1WC
a. What characteristics of viruses could be used to describe them as life forms?
b. What makes them more similar to lifeless molecules?
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a. What characteristics of viruses could be used to describe them aslife forms?b. What makes them more similar to lifeless molecules?
a. What characteristics of viruses could be used to characterize them as lifeforms?b. What makes them more similar to lifeless molecules?
Viruses:
a. Describe the structure and composition of viruses. What are three reasons that they are different from cellular organisms?
b. Describe what a lysogenic bacteriophage is and how it is different from a lytic bacteriophage.
c. Describe what is similar and different about the lifecycle of a non-enveloped DNA animal virus compared to an enveloped animal retrovirus.
Chapter 6 Solutions
Foundations in Microbiology
Ch. 6.1 - Indicate how viruses were discovered and...Ch. 6.1 - Describe the unique characteristics of viruses.Ch. 6.1 - Discuss the origin and importance of viruses.Ch. 6.1 - Prob. 1CYPCh. 6.1 - Prob. 2CYPCh. 6.1 - Explain what it means to be an obligate...Ch. 6.1 - Prob. 4CYPCh. 6.2 - Prob. 4ELOCh. 6.2 - Distinguish among types of capsids and...Ch. 6.2 - Prob. 6ELO
Ch. 6.2 - Prob. 7ELOCh. 6.2 - Summarize the different viral groups based on...Ch. 6.3 - Prob. 9ELOCh. 6.3 - Indicate the characteristics used in identifying...Ch. 6.3 - Prob. 5CYPCh. 6.3 - Describe the general structure of viruses.Ch. 6.3 - Prob. 7CYPCh. 6.3 - Prob. 8CYPCh. 6.3 - Prob. 9CYPCh. 6.3 - Prob. 10CYPCh. 6.3 - How are the poxviruses different from other animal...Ch. 6.3 - Prob. 12CYPCh. 6.3 - How are generic and common names used?Ch. 6.4 - Describe the virus-host relationship.Ch. 6.4 - Prob. 12ELOCh. 6.4 - Prob. 13ELOCh. 6.4 - Prob. 14ELOCh. 6.4 - Explain two ways in which animal viruses are...Ch. 6.4 - Prob. 16ELOCh. 6.4 - Write a narrative that describes the stages in the...Ch. 6.4 - Prob. 15CYPCh. 6.4 - Summarise the two major ways in which animal...Ch. 6.4 - Prob. 17CYPCh. 6.4 - Describe several cytopathic effects of viruses....Ch. 6.4 - Explain what it means for a virus to become...Ch. 6.4 - Prob. 20CYPCh. 6.5 - Prob. 17ELOCh. 6.5 - Explain what is meant by lysogeny, prophage,...Ch. 6.5 - Prob. 19ELOCh. 6.5 - In simple terms, what does the viral nucleic acid...Ch. 6.5 - What processes are involved in bacteriophage...Ch. 6.5 - Prob. 23CYPCh. 6.5 - Compare and contrast the main phases in the lytic...Ch. 6.5 - why is penetration so different between the two...Ch. 6.6 - Prob. 20ELOCh. 6.6 - Compare the methods and uses of cell culture, bird...Ch. 6.7 - Prob. 22ELOCh. 6.7 - Prob. 23ELOCh. 6.7 - Describe the three main techniques for cultivating...Ch. 6.7 - Prob. 27CYPCh. 6.7 - What are cell lines and monolayers, and how are...Ch. 6.7 - Prob. 29CYPCh. 6.8 - Prob. 24ELOCh. 6.8 - Prob. 25ELOCh. 6.8 - Prob. 30CYPCh. 6.8 - Prob. 31CYPCh. 6.L1 - Prob. 1MCQCh. 6.L1 - Prob. 2MCQCh. 6.L1 - The capsid is composed of protein subunits called...Ch. 6.L1 - Prob. 4MCQCh. 6.L1 - Prob. 5MCQCh. 6.L1 - Prob. 6MCQCh. 6.L1 - A prophage is a/an ____ stage in the cycle of...Ch. 6.L1 - Prob. 8MCQCh. 6.L1 - Prob. 9MCQCh. 6.L1 - Prob. 10MCQCh. 6.L1 - Prob. 11MCQCh. 6.L1 - Prob. 12MCQCh. 6.L1 - Prob. 13MCQCh. 6.L1 - Prob. 14MCQCh. 6.L1 - Prob. 15MCQCh. 6.L1 - Prob. 1CSRCh. 6.L1 - Prob. 2CSRCh. 6.L1 - Prob. 3CSRCh. 6.L1 - a. What characteristics of viruses could be used...Ch. 6.L1 - Prob. 2WCCh. 6.L1 - a. Since viruses lack metabolic enzymes, how can...Ch. 6.L1 - Prob. 4WCCh. 6.L2 - Prob. 1CTCh. 6.L2 - Prob. 2CTCh. 6.L2 - Prob. 3CTCh. 6.L2 - a. Given that DNA viruses can be carried in the...Ch. 6.L2 - Prob. 5CTCh. 6.L2 - Is there such a thing as a “good virus�?...Ch. 6.L2 - Prob. 7CTCh. 6.L2 - Prob. 8CTCh. 6.L2 - Prob. 9CTCh. 6.L2 - Label the parts of viruses in figures...Ch. 6.L2 - How would you describe the kind of capsid found on...
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- a. What dictates the host range of animal viruses?b. How is the influenza virus different in its host range from mostother viruses?arrow_forwarda. Compare three characteristics of a bacterium and a virus.b. Why are viruses so hard to control?arrow_forwarda. Since viruses lack metabolic enzymes, how can they synthesize necessary components? b. Name some enzymes that viruses may have for invading and completing their cycles.arrow_forward
- briefly explain the situation below. Larger viruses usually have a double-stranded genome, whereas small viruses typically have a single-stranded genome. What reasonable explanation can you offer for this observation?arrow_forward(i) Describe each way viruses may be classified. And Define each of the following parts of a virus, their composition/structure, and explain their role in the viral life cycle: a. Capsid b. Capsomere c. Nucleocapsid d. Envelope e. Spikes (typed format not handwritten) thanksarrow_forwarda. During which stages of an infectious disease does the host exhibit signs and symptoms? Is there a correlation between this and when a disease is communicable? b. Why are some viral diseases, like smallpox and polio, no longer seen in the United States? Why are many bacterial disease, like syphilis, no longer a death sentence? Think about how these two types of microbes infect humans. Why might we make an effort to treat viral diseases before infection but continue to treat bacterial diseases after infection? c. Based on the graph below, which pathogen is more virulent: Agent 1 or Agent 2? Explain. 100 Agent 1 LD5 = 400, Agent 2 LD50 = 600 25 100 200 300 400 500 600 700 800 900 1,000 Dose (organisms administered per animal) Percent mortality 75arrow_forward
- Think about the cells that viruses infect. Pick out the correct statements below. A. The host cell has some particular thing - be it machinery, chemistry or whatever - that the virus MUST have in order to successfully reproduce. B. Viruse generally don't care what cells they infect. C. Viruses can only replicate in particular hosts and tissues. D. The host range or tissue specficity means the specific type of cells the virus infects. Example - rabies infects neural cells.arrow_forwardA. How does soap kill coronavirus? B. Why virus can not be washed off with water along? C. Why soap works better than hand sanitizer when killing viruses?arrow_forwardDiscuss the following statement: “Viruses exist in the twilight zone of life: outside cells they are simply dead assemblies of molecules; inside cells, however, they are alive.”arrow_forward
- a. How are viral envelopes formed? Why are enveloped viruses that infect plants and bacteria rare? b. Outline the life cycle options of a temperate phage upon entering a host cell. c. Consider the 5 steps of a virus life cycle. List three structures and/or processes that are unique to viruses and would make good drug targets for an antiviral agent. Explain your rationale for each choice.arrow_forwardContrast a virus with a cellular organism. and Describe the structure of a virus. and Describe the structure and common shapes of prokaryotic cells. .arrow_forwardAnswer the following regarding the varicella-zoster virus: a) the biology of the virus ( type: DNA/RNA type: single or double stranded) b) how it replicates c) life cycle of the virus (binding, fusion, reverse transcription, integration, replication, and assembly)arrow_forward
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What Is A Virus ? ; Author: Peekaboo Kidz;https://www.youtube.com/watch?v=YS7vsBgWszI;License: Standard YouTube License, CC-BY