Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 11.3, Problem 1TQ
Summary Introduction
To review:
The differences and similarities between attachment and entry of HIV and influenza virus.
Introduction:
HIV (human immunodeficiency virus) and influenza virus infect different types of human cells. Both of the viruses possess RNA (ribonucleic acid) as their genome but HIV contains positive sense RNA genome whereas influenza virus contains negative sense RNA genome. The replication cycle of these viruses is different from each other.
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Chapter 11 Solutions
Microbiology: An Evolving Science (Fourth Edition)
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- Can you compare and contrast the infection process of influenza and HIV? What are the specific molecules on the surface of each virus that directly interacts with the respective cellular receptor molecule? What is/are the specific molecules on the surface of the respective target cells that serve as the cellular receptors for these viruses respectively?arrow_forwardwhat is the virus transmission, the morphology and the family name of the virus that causes HIV?arrow_forwardWhat is the mode of replication of the virus? (this can be presented as a diagram with narrative description) What are its differences from HIV?arrow_forward
- How does the M2 protein of influenza viruses promote the uncoating of virus particles during the infection cycle?arrow_forwardThe “spikes” in the COVID-19 virus are protein complexes. How important are these spikes in virus infection and its variants?arrow_forwardList three differences between the structure of HIV and the virus that causes influenza. For one of these differences, explain how the STRUCTURE is key to the FUNCTION of the virus.arrow_forward
- a. 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_forwardWhat accounts for the affinity of viruses for certain hosts or tissues?arrow_forwardWhat are dissemination and replication of single and double standard DNA and RNA virus?arrow_forward
- How does the wavelength of light relate to its energy? What are the two main types of viral infections? How does the structure of DNA relate its function in storing genetic information?arrow_forwardWhat defines a virus' host range? Know the multiplication steps (in order) for a virus (both bacteriophage and animal viruses). What happens at each step? What is the major difference between the steps in animal viruses vs. bacteriophages? Describe the lytic and lysogenic cycles of bacteriophage infection. What are the different types of viral genomes possible? What are the differences between entry and exit for enveloped vs naked viruses? o i.e. fusion, endocytosis, budding or exocytosis, lysis/bursting/rupturing, Explain how viruses are cultured. Why would viruses need to be cultured? What is a latent viral infection? What are cytopathic effects (know examples). Know characteristics of viroids and prions. What are they? What kinds of diseases can they cause (know examples for prions) How can viral infections be treated? bparrow_forwardWhat are the structural components of a virus?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