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Microbiology > Viruses > Flashcards

Viruses Flashcards

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
Q

Give the number of capsomeres of herpesviridae?

A

162

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26
Q

What is the virus particle size of herpesviridae?

A

150-200 nm

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27
Q

Give the size and type of nucleic acid in herpresviridae?

A

125-240 kb, double stranded linear

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28
Q

Give a name of complex DNA virus family with complex coat and resistance to ether.

A

Poxviridae

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29
Q

What is the virus particle size for poxviridae?

A

230x400

30
Q

Give the size and type of nucleic acid in poxviridae?

A

130-375 kb, double stranded linear

31
Q

What are the types of RNA virus capsid symmetry?

A

Icosahederal, unknown/complex, helical

32
Q

Give the names of some RNA icosahederal, naked, ether resistant viruses?

A

Picornaviridae, Astroviridae, Caliciviridae, Hepeviridae, Picobirnaviridae, Reoviridae

33
Q

Give the number of capsomeres of picornaviridae?

A

32

34
Q

What is the virus particle size of picornaviridae and astroviridae?

A

28-30 nm

35
Q

What is the type of nucleic acid in picornaviridae, astroviridae, caliciviridae and hepeviridae?

A

single stranded linear

36
Q

What is the nucleic acid size in picornaviridae?

A

7.2-8.4 kb

37
Q

What is the size of nucleic acid in astroviridae?

A

6.4-7.4 kb

38
Q

What is the virion size in caliciviridae?

A

27-40 nm

39
Q

Give the number of capsomeres of caliciviridae?

A

32

40
Q

What is the nucleic acid size in caliciviridae?

A

7.4-8.3 kb

41
Q

What is the virion size in hepeviridae?

A

27-34 nm

42
Q

What is the nucleic acid size in hepeviridae?

A

7.2 kb

43
Q

What is the virion size in picobirnaviridae?

A

35-40 nm

44
Q

What is the type of nucleic acid in picobirnaviridae and reoviridae?

A

double stranded segmented

45
Q

What is the nucleic acid size in picobirnaviridae?

A

4 kb

46
Q

What is the nucleic acid size in reoviridae?

A

16-27 kb

47
Q

What is the virion size in reoviridae?

A

60-80 nm

48
Q

What is an ether sensitive, enveloped RNA Virus?

A

Togaviridae

49
Q

What is the number of capsomeres of togaviridae?

A

42

50
Q

What is the virion size of togaviridae?

A

50-70

51
Q

What is the size and type of nucleic acid in togaviridae?

A

9.7-11.8, single stranded linear

52
Q

Give names of some RNA Viruses with unknown capsid symmetry, are enveloped and sensitive to ether?

A

Flaviviridae, arenaviridae, coronaviridae, retroviridae

53
Q

What is the virion size in flaviviridae?

A

40-60 nm

54
Q

What is the nucleic acid size and type respectively in Flaviviridae?

A

9.5-12.5 kb, single stranded segmented

55
Q

What is the virion size in Arenaviridae?

A

50-300 nm

56
Q

What is the nucleic acid size in Arenaviridae?

A

10-14 kb

57
Q

What is the size of virion in coronaviridae?

A

120-160

58
Q

Give the type and size of nucleic acid in coronaviridae?

A

27-32 kb, single stranded

59
Q

Give the virion size in retroviridae?

A

80-110 nm

60
Q

Give the nucleic acid size and type in Retroviridae?

A

7-11, single stranded diploid

61
Q

What is the virion size in orthomyoxoviridae?

A

80-120 nm

62
Q

Give the nucleic acid size and type in orthomyxoviridae?

A

10-13.6 kb, single stranded segmented

63
Q

Name some RNA viruses with helical symmetry, that are enveloped and either sensitive?

A

Orthomyoxyviridae, bunyaviridae, bornaviridae, rhabdoviridae, paramyxoviridae, filoviridae

64
Q

Give the virion size of bunyaviridae?

A

80-120 nm

65
Q

What is the type and size of nucleic acid in Bunyaviridae?

A

11-21 nm, single stranded segmented

66
Q

What is the nucleic acid type in bornaviridae, paramyxoviridae, filoviridae and rhabdoviridae?

A

single=stranded linear

67
Q

Give the virion size of Bornaviridae?

A

80-125 nm

68
Q

What is the nucleic acid size of bornaviridae?

A

8.5-10.5 kb

69
Q

Give virion size of rhabdoviridae?

A

75x180 nm

70
Q

Give nucleic acid size of rhabdoviridae?

A

13-16 kb

71
Q

What is the virion and nucleic acid size respectively of Polymyxoviridae?

A

150-300 nm, 16-20 kb

72
Q

What is the virion size and nucleic acid size respectively of Filoviridae?

A

80x1000 nm, 19.1 kb respectively

Microbiology (2 decks)

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