Virology is the scientific field that deals with the study of viruses and viral diseases, which includes the distribution, biochemistry, physiology, molecular biology, ecology, and clinical aspects of viruses.
Learn some new things about Virology in this biology quiz
Undergo binary fission
Relatively large in size
Replicates with host mechanism
Can replicate without host
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Carries the genetic material
Self assembles
Icosahedral form has variable size
Helical form has a defined set of subunits
C & D
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Non enveloped viruses
Glycoproteins
Lipids from the host cell membrane
Inability to cause hemaglutination
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Use glycoproteins
Type III secretion system
Can only attach to specific sites
Exposed regions of capsid proteins
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Occurs only at specific sites
Uses clathrin coated puts
Endocytosed into cell
Freely crosses plasma membrane
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Single stranded positive sense RNA viruses
Double stranded RNA viruses
Single stranded negative sense viruses
DNA viruses
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Single stranded positive sense RNA viruses
Single stranded negative sens RNA viruses
Double stranded RNA viruses
DNA viruses
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Reoviridae
Parvovirdae
Polyomaviridae
Picornaviridae
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Positive sense RNA used as a template and then DNA incorporated into Host
Nucleic acid of the virion functions directly as mRNA
Needs to use RNA dependent RNA polymerase
A & C
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Nucleic acid acts directly as mRNA
Flaviviridae
Picornaviridae
Transcription in host nucleus
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Released by budding
Released on cell lysis
Disrupt cell membrane and bind to m proteins
A & C
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True
False
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Attacks the wrong site
Cause cell death upon lysis
Needs simultaneous infection
Contain infectious proteins but no nucleic acid
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Cannot replicate without a helper virus
Contain nucleic acid surrounded by infectious protein capsid
Susceptible to proteolytic enzymes
Proteins similar to that of normal cell
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Defective virus
DNA virus
Prion
Non enveloped virus
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Infection by DNA viruses of retroviruses
No production of progeny
Reactivation or transformation
Multiple rounds of replication
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Caused by DNA viruses
Caused by RNA viruses
Affects competent immune systems
Viral particles are not present
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Entry replication and tissue tropism are at the same site
Enter at one site and cause disease then spread
Causes equal symptoms in children and adults
None of the above
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Bacteria spread through blood then replicate
Can be asymtomatic
Never have prodromal symptoms
B & C
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Weakened CMI
Defective complement
Low antibody response
Age
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CMI
Antibody response
Interferons
None of the above
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Beta interferons produced by leukocytes
Induced by viruses only
Inhibit protein synthesis mechanisms
Gamma interferon is induced by fibroblasts and T cells
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Decreased antibody response
Viral evasion of the immune system
Virus induced immunopathology
Weakened CMI
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Clinical presentation
Tissue cultures
Immunocytochemical staining of cell cultures
Serological studies
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Picornaviridae
Paramyxoviridae
Parvoviridae
Polyomaviridae
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Togaviridae
Reoviridae
Papillomaviridae
Hepadnoviridae
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Quiz Review Timeline (Updated): Mar 21, 2023 +
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