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Mycoviro (Prelim) > 1.1 Basic Virology > Flashcards

1.1 Basic Virology Flashcards

(80 cards)

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1
Q

Slimy liquid, poison is a _________ Word for virus?

A

Latin

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2
Q

NOTE: VIRUS is named due to reason for the rapid spread

A
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3
Q

Who showed that a disease in tobacco was caused by a virus?

A

Ivanovski and Beijerinck

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4
Q

Who discovered an animal virus that causes foot and mouth disease in cattle?

A

Loeffler and Frosch

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5
Q

Loeffler and Frosch discovered virus that causes foot and mouth disease in what animal?

A

Cattle

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6
Q

Year of discovery for virus that causes foot and mouth disease in cattle and the tobacco was caused by virus?

A

1890s

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7
Q

Who first proposed the term Virus

A

Louis pasteur

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8
Q

True or False, Virus cannot exist independently from the host cell, so aren’t considered living things

A

TRUE

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9
Q

What is the proteins shell or the external coat of Virus?

A

Capsid

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10
Q

Lack enzymes and lack machinery ? T or F?

A

T

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11
Q

High specificity of host cell? T or F?

A

T

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12
Q

The period of time between infection by a virus and the appearance of the mature virus within the cell?

A

Eclipse period

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13
Q

What do you call a virus with no envelope?

A

Naked virus

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14
Q

Capsid + Nucleic acid?

A

Nucleocapsid

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15
Q

Fully formed virus that is able to establish an infection in a host cell

A

Virion

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16
Q

Part of the virus where it is used for attachment due to exposed glycoproteins?

A

Spike (Peplomers)

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17
Q

Covers the nucleocapsid?

A

Envelope

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18
Q

Viral capsid is made of protein molecule that is constructed from identical subunits called?

A

Capsomers

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19
Q

3 types of Viral capsid?

A

Helical

Icosahedral

Complex

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20
Q

Functionst of Viral capsid?

A

Protect

Help introduce DNA or RNA

Stimulate immune system

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21
Q

The sum total of the genetic information carried by an organism

A

Genome

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22
Q

Virus only have genes necessary to invade host cells and redirect their activity T or F?

A

TRUE

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23
Q

Parvovirus contains _____ Stranded DNA

A

Single

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24
Q

All Virus are double stranded DNA except?

A

Parvovirus

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25
All Virus are Single stranded RNA except?
Reoviruses
26
Reoviruses are ______ Stranded RNA
Double stranded
27
2 types of dsDNA?
Linear Circular
28
NOTE: Central dogma (Replication, Translation, Transcription)
29
RNA are mostly ______ Stranded
Single
30
Genomes that are ready for immediate translation into proteins
Positive sense RNA
31
Genomes have to be converted into the proper form to be made into proteins
Negative sense RNA
32
Individual Genes exist on separate pieces of RNA
Segmented
33
Example of DNA viruses that are ENVELOPED Double stranded genome?
Poxviruses Herpesviruses
34
Example of DNA viruses that are NONENVELOPED Double stranded genome?
Adenoviruses (Linear) Papovaviruses (Cirular)
35
Example of DNA viruses that are NONENVELOPED Single stranded genome?
Parvoviruses
36
Example of RNA viruses that are ENVELOPED Single stranded genome that encodes reverse transcriptase??
Retroviruses
37
Example of RNA viruses that are ENVELOPED Single stranded genome that are segmented?
OBA Orthomyxoviruses Bunyaviruses Arenaviruses
38
Example of RNA viruses that are ENVELOPED Single stranded genome that are Non segmented genome?
Paramyxoviruses Rhabdoviruses Filoviruses Coronaviruses CRaF/P
39
Example of RNA viruses that are NONENVELOPED Single stranded genome?
Picornaviruses Caliciviruses
40
Example of RNA viruses that are NONENVELOPED Double stranded genome?
Reoviruses
41
Suffix for families in virus?
Viridae
42
Classify viruses with 7 groups
David Baltimore's Classification
43
What are the 7 groups?
I - dsDNA viruses II - ssDNA viruses III - dsRNA viruses IV - Positive sense single stranded RNA viruses V - Negative sense single stranded RNA viruses VI - Positive sense Reverse transcribing RNA viruses VII - Positive sense Reverse transcribing DNA viruses
44
Most are ds, show icosahdral symmetry and replicate in the nucleus
Group I, II, and VII
45
Only ssDNA
Parvoviridae
46
In group I, II, and VII, what viridae has complex DNA which can replicates in the cytoplasm?
Poxviridae
47
Example of dsDNA?
Herpes Adeno Papilloma Pox Polyoma
48
Example of ssDNA (+) sense DNA?
Parvo Anello - No associated disease
49
Example of dsRNA?
Reoviridae
50
In reoviridae, what causes diarrhea causing virus?
Rotavirus
51
In reoviridae, what is used for the model for virus studies?
Reovirus
52
In reoviridae, what causes colorado tixk fever?
Coltivirus
53
in Single stranded RNA viruses (+) sense RNA, what causes severe acute respiratory syndrome COV?
Coronaviridae
54
Example of Picornaviridae?
Hepatovirus A Poliovirus Rhinovirus
55
Example of Calciviridae?
Norwalk Hepatitis E
56
in Single stranded RNA viruses (+) sense RNA, what causes Yellow fever, west nile, Dengue, Zika, Japanese En, Hepatitis C and G?
Flaviviridae
57
in Single stranded RNA viruses (+) sense RNA, what causes Rubella, Chikungunya?
Togaviridae
58
(-)ssRNA Viruses (-) sense RNA, what causes Marburg and Ebola?
Filoviridae
59
(-)ssRNA Viruses (-) sense RNA, what causes Measles, Mumps, Nipah
Paramyxoviridae
60
(-)ssRNA Viruses (-) sense RNA, what causes RSV?
Pneumoviridae
61
(-)ssRNA Viruses (-) sense RNA, what causes rabies?
Rhabdoviridae
62
(-)ssRNA Viruses (-) sense RNA, what causes Lassa virus, Machupo virus?
Arenaviridae
63
(-)ssRNA Viruses (-) sense RNA, what causes Influenza?
Orthomyxoviridae
64
ssRNA-RT viruses (+) sense RNA with DNA intermediate in life cycle, what causes HIV?
Retroviridae
65
What are the process of multiplication of viruses
Adsorption Penetration Uncoating Synthesis Assembly Release
66
During synthesis, this enter host cells nucleus where they are replicated and assembled
DNA viruses
67
During synthesis, it replicated and assembled in the cytoplasm
RNA viruses
68
During release, what happens to nonenveloped and complex viruses?
Released through cell lyses or ruptures
69
During release, what happen to the enveloped viruses?
Release through budding or excytosis
70
How long it takes for the entire cycle of viruses multiplying?
8 to 36 hrs
71
Virus induced damage to the cell that alters its mircoscopic appearance
Cytopathic effect
72
Viruses enter their host cell and permanently alter it genetic material, leading to cancer, this effect called?
Transformation
73
Viruses causes cancer
Oncoviruses
74
Viruses that infect bacteria?
Bacteriophage
75
Special DNA phages that undergo adsorption and penetration but are not replicated or released immediately
Temperate phages
76
The cell's progeny will also have temperate phage
Lysogeny
77
When a bacterium acquires a new trait from its temperate phage
Lysogenic conversion
78
A chronic, persisten disease that has long period of latency and causes deposition of protein fibers in the brain tissues which are called prions
Spongiform encephalopathies
79
Defective form of viruses
Satellite viruses
80
Virus that Parasitize plants which composed only naked strands of RNA
Viroids

Mycoviro (Prelim) (8 decks)

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