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Viruses Flashcards

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1
Q

What are the capsid symmetries of DNA viruses?

A

Icosahederal, complex

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2
Q

Give some DNA viruses that are Icosahederal, ether resistant and non-enveloped?

A

Parvoviridae, Anelloviridae, Polyomaviridae, Papillomaviridae and Adenoviridae

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3
Q

What is the no. of capsomeres of parvoviridae?

A

32

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4
Q

What is the virus particle size of parvoviridae?

A

18-26 nm

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5
Q

Give the nucleic acid size of parvoviridae?

A

5.6 kb

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6
Q

What is the nucleic acid type of parvoviridae?

A

single-stranded linear

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7
Q

What disease is caused by parvoviridae?

A

It causes painful rashes or “slap-cheek” on face, especially in children

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8
Q

What is the virus particle size of Anelloviridae?

A

30 nm

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9
Q

What is the nucleic acid size in virion of anelloviridiae?

A

2-3.9 kb

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10
Q

What is the nucleic acid type of anelloviridae?

A

single-stranded circular

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11
Q

What diseases are caused by Anelloviridae?

A

Hepatitis, lupus etc.

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12
Q

What are the no. of capsomeres in Polymaviridae and papillomaviridae?

A

72

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13
Q

What is the virus particle size in polyomaviridae?

A

45 nm

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14
Q

What is the size of nucleic acid in polyomaviridae?

A

5 kb

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15
Q

Give the type of nucleic acid in polyomaviridae?

A

double stranded circular

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16
Q

Give the size of virus particle and nucleic acid particle respectively in papillomaviridae?

A

55 nm and 8 kb respectively

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17
Q

What is the type of nucleic cid in papillomaviridae?

A

double stranded circular

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18
Q

Give the number of capsomeres of adenoviridae?

A

252

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19
Q

What is the size of virus particle of adenoviridae?

A

70-90 nm

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20
Q

What is the size of nucleic acid in adenovirus and also the type of nucleic acid?

A

26-45 kb, double stranded linear

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21
Q

Give some enveloped, ether sensitive viruses?

A

Hepadnaviridae, herpesviridae

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22
Q

What is the virus size of hepadnaviridae?

A

40-48 nm

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23
Q

Give the number of capsomeres of hepadnaviridae?

A

180

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24
Q

Give the size and type of nucleic acid in hepadnaviridae?

A

3.2, double stranded circular

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25
Give the number of capsomeres of herpesviridae?
162
26
What is the virus particle size of herpesviridae?
150-200 nm
27
Give the size and type of nucleic acid in herpresviridae?
125-240 kb, double stranded linear
28
Give a name of complex DNA virus family with complex coat and resistance to ether.
Poxviridae
29
What is the virus particle size for poxviridae?
230x400
30
Give the size and type of nucleic acid in poxviridae?
130-375 kb, double stranded linear
31
What are the types of RNA virus capsid symmetry?
Icosahederal, unknown/complex, helical
32
Give the names of some RNA icosahederal, naked, ether resistant viruses?
Picornaviridae, Astroviridae, Caliciviridae, Hepeviridae, Picobirnaviridae, Reoviridae
33
Give the number of capsomeres of picornaviridae?
32
34
What is the virus particle size of picornaviridae and astroviridae?
28-30 nm
35
What is the type of nucleic acid in picornaviridae, astroviridae, caliciviridae and hepeviridae?
single stranded linear
36
What is the nucleic acid size in picornaviridae?
7.2-8.4 kb
37
What is the size of nucleic acid in astroviridae?
6.4-7.4 kb
38
What is the virion size in caliciviridae?
27-40 nm
39
Give the number of capsomeres of caliciviridae?
32
40
What is the nucleic acid size in caliciviridae?
7.4-8.3 kb
41
What is the virion size in hepeviridae?
27-34 nm
42
What is the nucleic acid size in hepeviridae?
7.2 kb
43
What is the virion size in picobirnaviridae?
35-40 nm
44
What is the type of nucleic acid in picobirnaviridae and reoviridae?
double stranded segmented
45
What is the nucleic acid size in picobirnaviridae?
4 kb
46
What is the nucleic acid size in reoviridae?
16-27 kb
47
What is the virion size in reoviridae?
60-80 nm
48
What is an ether sensitive, enveloped RNA Virus?
Togaviridae
49
What is the number of capsomeres of togaviridae?
42
50
What is the virion size of togaviridae?
50-70
51
What is the size and type of nucleic acid in togaviridae?
9.7-11.8, single stranded linear
52
Give names of some RNA Viruses with unknown capsid symmetry, are enveloped and sensitive to ether?
Flaviviridae, arenaviridae, coronaviridae, retroviridae
53
What is the virion size in flaviviridae?
40-60 nm
54
What is the nucleic acid size and type respectively in Flaviviridae?
9.5-12.5 kb, single stranded segmented
55
What is the virion size in Arenaviridae?
50-300 nm
56
What is the nucleic acid size in Arenaviridae?
10-14 kb
57
What is the size of virion in coronaviridae?
120-160
58
Give the type and size of nucleic acid in coronaviridae?
27-32 kb, single stranded
59
Give the virion size in retroviridae?
80-110 nm
60
Give the nucleic acid size and type in Retroviridae?
7-11, single stranded diploid
61
What is the virion size in orthomyoxoviridae?
80-120 nm
62
Give the nucleic acid size and type in orthomyxoviridae?
10-13.6 kb, single stranded segmented
63
Name some RNA viruses with helical symmetry, that are enveloped and either sensitive?
Orthomyoxyviridae, bunyaviridae, bornaviridae, rhabdoviridae, paramyxoviridae, filoviridae
64
Give the virion size of bunyaviridae?
80-120 nm
65
What is the type and size of nucleic acid in Bunyaviridae?
11-21 nm, single stranded segmented
66
What is the nucleic acid type in bornaviridae, paramyxoviridae, filoviridae and rhabdoviridae?
single=stranded linear
67
Give the virion size of Bornaviridae?
80-125 nm
68
What is the nucleic acid size of bornaviridae?
8.5-10.5 kb
69
Give virion size of rhabdoviridae?
75x180 nm
70
Give nucleic acid size of rhabdoviridae?
13-16 kb
71
What is the virion and nucleic acid size respectively of Polymyxoviridae?
150-300 nm, 16-20 kb
72
What is the virion size and nucleic acid size respectively of Filoviridae?
80x1000 nm, 19.1 kb respectively

Microbiology (2 decks)

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