Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 6.3, Problem 6RIA
Why are the proteins involved in virion assembly synthesized late in the viral life cycle?
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Chapter 6 Solutions
Prescott's Microbiology
Ch. 6.2 - MICRO INQUIRY Which capsids are icosahedral? Which...Ch. 6.2 - MICRO INQUIRY Are the capsomers at the vertices of...Ch. 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 - Retrieve, Infer, Apply 4. What is an envelope?...Ch. 6.2 - Retrieve, Infer, Apply 5. All four nucleic acid...Ch. 6.2 - Retrieve, Infer, Apply 6. The RNA genomes of some...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. 1RIACh. 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. 4RIACh. 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...Ch. 6 - Chronic wasting disease (CWD) is a...Ch. 6 - Syn5 is a virus that infects photosynthetic...
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- What are the similarities and differences among viral genomes?arrow_forwardPlease briefly state the importance of each stage of viral replication. Do not just restate what each stage does. In addition, why must a virus infect a cell to survive and reproduce?arrow_forwardAfter a positive strand RNA virus ( Such as Coronaviruses) enters the host cell, the RNA is translated by ribosomes to create proteins associated with the virus (Such as, for example, the surface antigens like E and Spike proteins). How then, would the genetic material itself be replicated to be incorporated into the new viruses?.arrow_forward
- Draw a generic (+)RNA virus replication cycle. For viruses, (+) RNA indicates the genomic RNA can be translated directly. How would this differ from the system you drew in #1? Draw a generic (+) RNA virus replication cycle. Indicate which proteins need to be present for RNA replication and translation. Where would they act? Indicate what sequences or modifications would need to be present on the virus RNA for RNA replication and translation. How might a virus differentiate between RNA to be put into progeny virus particles and RNA to be translated into protein?arrow_forwardwe can stop the biosynthesis stage of the viral life cycle (not the stages before it) by preventing/inhibiting: A) fusion of the envelope and the plasma membrane B) replication and expression of viral nucleic acid/genome C) the virus's attachment molecules from binding to the host cell receptor D) new copies of viral nucleic acid from combining with newly made viral proteins E)buddingarrow_forwardHow do cellular receptors for viruses come about? does host species that a particular virus infects evolve to have the viral receptors? would the above offer any survival and/or reproductive advantages to the host? how likely does the virus mutate so it would recognize (or fit) a particular exiting surface protein on the target cells of the host?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_forwardDescribe the functions of the transcriptase/replicase complex in coronavirus replication.arrow_forwardDescribe two mechanisms a virus might use to prevent the induction of apoptosis in an infected cell.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