Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 6.3, Problem 2CC
What probably plays the most important role in determining the tissue and host specificity of viruses? Give some specific examples.
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What probably plays the most important role in determining the tissue and host specificity of viruses? Give some specific examples.
what are the chemical composition of a virus and structures that make up a naked and an enveloped viron. Discuss the basic shapes of virions and include: symmetrical, asymmetrical and tailed. How do viroids and prions differ from virions? Include in your answer the major diseases associated with prions and viroids and their economic impact to our food supply.
Host specificity of a virus is due to
O 1) similarities in size between the virus and the host cell.
O 2) the presence or absence of a cell wall on the host cell.
O 3) particular genes that it shares with the infected cell.
4) compatibility between viral and cellular surface molecules.
5) the presence of an envelope.
Chapter 6 Solutions
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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- Give three examples of host cell proteins that are used by viruses, and in each case describe which virus uses them, and for what purpose.arrow_forwardWhat is meant when it is said that a virus is in an inactive state?arrow_forwardDefine and explain virus order itself as well as its orders given on the table below belowarrow_forward
- What accounts for the affinity of viruses for certain hosts or tissues?arrow_forwardWhich of the following is a possible result of viral infection in eukaryotic host cells? O 1) Syncytialization of host cells. O 2) Inclusion bodies within the cytoplasm. O 3) oncogenesis. O 4) Host cell death 5) All of the abovearrow_forwardWhy is it inaccurate to refer to the “growth” of viruses?arrow_forward
- What is a nucleocapsid? Give examples of viruses with the twocapsid types.arrow_forwardRhinovirus and the flaviviruses have a _________ RNA genome, which ___________________ bind in order for translation to occur. As with most viruses with such genomes, they produce a ________________ (type of peptide), which is cleaved in order to produce the individual viral proteinsarrow_forwardWhat is meant by the term emerging virus?arrow_forward
- discuss the similarities and differences between animal and bacterial virus multiplication. (Words/concepts to include in your answer: attachment, adsorption, penetration, uncoating, synthesis, assembly, persistence, lysogeny, latency, release)arrow_forwardDefine the terms "latency" and "lysogeny" as they refer to viruses. Describe at least TWO ways these two processes are similar. Describe at least TWO ways these two processes are different.arrow_forwardWhat determines the family in which a virus is categorized?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