Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 13, Problem 9MCQ
Summary Introduction
Introduction:
Virus multiplication is a process in which the infection of viral particles on the host cells. During the infections, it introduces the viral genetic material (DNA or RNA) to the host target cell with the help of some essential proteins.
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Match the following:
a.naked, polyhedral DNA virus
b.enveloped, polyhedral DNA virus
c.enveloped, complex DNA virus
d.Naked, polyhedral RNA virus
e. Enveloped, helical RNA virus
1. Adenoviridae2. Smallpox viruses3. Orthomyxoviruses4. Picornaviruses5. Herpesviruses
match the following:
a. Orthomyxiovrus
b. Herpes simplex virus
c. Epstein-Barr virus
d. Varicella-zoster virus
e. Rhinovirus
1. fever blisters
2. shingles3. common cold
4. influenza
5. infectious mononucleosis
Match the virus to the correct Baltimore system.
А. Нерatitis B virus
B. Parvoviruses
C. Reoviruses
D. Retroviruses
E. Adenoviruses
F. 501Y.V2
G. Rhabdoviruses and Filoviridae
select
1. (+/-) double-stranded RNA
select
2. (+) strand RNA
select
3. ss RNA-RT
select
4. ds DNA-RT
select
5. Single stranded DNA (+) DNA
select
6. (+/-) double-stranded DNA
select
7. (-) strand RNA
According to Baltimore classification, what is the classification of the etiologic agent of coronavirus disease (COVID-19)
a. GROUP I
b. GROUP II
c. GROUP III
d. GROUP IV
e. GROUP V
Chapter 13 Solutions
Microbiology: An Introduction
Ch. 13 - Why do we classify viruses as obligatory...Ch. 13 - List the four properties that define a virus, what...Ch. 13 - Describe the four morphological classes of...Ch. 13 - DRAW IT Label the principal events of attachment,...Ch. 13 - Compare biosynthesis of a + stranded RNA and a ...Ch. 13 - Prob. 6RCh. 13 - Why is it difficult to determine the etiology of a...Ch. 13 - Prob. 8RCh. 13 - Plant viruses can be cultured in (c) __________.Ch. 13 - NAME IT Identify the viral family that infects...
Ch. 13 - Prob. 1MCQCh. 13 - The molecule serving as mRNA can be incorporated...Ch. 13 - Prob. 3MCQCh. 13 - Prob. 4MCQCh. 13 - An example of lysogeny in animals could be a. slow...Ch. 13 - The ability of a virus to infect an organism is...Ch. 13 - Which of the following statements is false? a....Ch. 13 - Prob. 8MCQCh. 13 - Prob. 9MCQCh. 13 - Prob. 10MCQCh. 13 - Discuss the arguments for and against the...Ch. 13 - In some viruses, capsomeres function as enzymes as...Ch. 13 - Why was the discovery of simian AIDS and feline...Ch. 13 - Prophages and proviruses have been described as...Ch. 13 - Prob. 1CAECh. 13 - A newborn female developed extensive vesicular and...Ch. 13 - Prob. 3CAE
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- To infect their specific host cells, viruses go through these chronological steps EXCEPT a. Release of progeny viruses b. Absorption and penetration of the viral particles c. Uncoating of the nucleic acid of the viral particles d. Synthesis and assembly of viral particle componentsarrow_forwardWhich of the following statements are correct for retroviruses? Mark all that apply. A. Replication requires reverse transcriptase B.The viral genome acts as a template for production of viral proteins C.The genome consists of two identical strands of ssRNA D. Uncoating must occur for the virus to be replicated E. A provirus stage occurs during viral replication F. The genome consists of dsRNA Protease enzyme is required for biosynthesis and maturation of virions H. Replication requires RNA dependent RNA polymerasearrow_forwardWe are confronted with a new RNA virus that uses x-proteins to attach to host cells and primarily infects liver cells. Based on this we would expect: (2 answers only) a. possible latent infections b. viral susceptibility to valacyclovir c. viral suspeptibility to RNA->RNA pol inhibitor d. symptoms of hepatitsarrow_forward
- Virus spikes are commonly associated with which of the following? a. Non enveloped viruses b. Glycoproteins c. Lipids from the host cell membrane d. Inability to cause hemaglutinationarrow_forwardWhich of the following statements are correct for RNA viruses? Mark all that apply. A.Replication requires reverse transcriptase B. Uncoating must occur for the virus to be replicated C.The genome consists of two identical strands of ssRNA D.Replication requires RNA dependent RNA polymerase E. The viral DNA acts as a template for production of viral proteins F.Protease enzyme is required for biosynthesis and maturation of virions G. A provirus stage occurs during viral replicationarrow_forwardThe host protiens specific for individual virus classes are: a. Docking proteins b. DNA polymerases c. Proteases d. RNasesarrow_forward
- 4) Which of the following is a segmented ds-RNA virus: a. Herpesviridae b. Arenavirus c. Parvovirus d. Rotavirus e. Hepatitis A virusarrow_forwardGive an example of each of the following types of viruses a. Double stranded DNA b. Single stranded DNA c. Positive sense RNA d. Negative sense RNA e. Retrovirusesarrow_forward(-)ss RNA viruses carry RNA polymerase within the particle. A. true B. falsearrow_forward
- A complete functional virus that has the capacity to infect the living tissue. A. NOTA B. Virophage C. Viroid D. Bacteriophage E. VIRIONarrow_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_forwardZoonotic viruses cause the same symptoms, with the same severity, in animals and in humans. A. True B. Falsearrow_forward
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