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MV > Intro to Virology > Flashcards

Intro to Virology Flashcards

1
Q

What microscope is used for viruses?

A

Electron microscope

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2
Q

(True or False)

Viruses have metabolic processes

A

False

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3
Q

(True or False)

Viruses are not capable of self replication

A

True

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4
Q

Viruses are inhibited by ____ & ____ agents

A

Interferon

Antiviral agents

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5
Q

(True or False)

Antiviral agents can destroy the virus

A

False (only inhibit viral replication)

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6
Q

It is a complete viral particle

A

Virion

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7
Q

The envelope of a virus is composed of a _____?

A

Phospholipid bilayer

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8
Q

These viruses are sensitive to ether, alcohol, detergents, dry heat

A

Enveloped viruses

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9
Q

These viruses are resistant to ether, alcohol, detergents, dry heat

A

Naked viruses

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10
Q

Enveloped viruses are transmitted thru?

A

Direct contact

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11
Q

Naked viruses are transmitted thru?

A

Fecal-oral route

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12
Q

It is a protein coat that encloses the genome

A

Capsid

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13
Q

Capsid is composed of structural units called?

A

Capsomeres

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14
Q

It is involved in specific binding to receptors in host cell’s membrane to facilitate entry

A

Spikes

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15
Q

Matrix proteins are found between ____ & ____

A

envelope & nucleocapsid

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16
Q

3 DNA viruses w/ circular DNA

A

Papillomaviridae
Polyomaviridae
Hepadnaviridae

17
Q

DNA virus w/ a single stranded DNA

A

Parvoviridae

18
Q

It gives the orientation of the reading frame

A

Polarity

19
Q

RNA virus with DS RNA

A

Reoviridae

20
Q

Group of viruses with a positive sense, SS RNA

A

Group IV

21
Q

It is also known as Adsorption

A

Attachment

22
Q

Coreceptor of HIV CD4 in lymphocytes

A

CXCR4

23
Q

Coreceptor of HIV CD4 in macrophages

A

CCR5

24
Q

Receptor in Rabies virus

A

Acetylcholine

25
Q

Penetration is either thru ____ or _____

A

Direct fusion

Viropexis

26
Q

It is called the time where infectious viral particles cannot be recovered from the cell

A

Eclipse phase

27
Q

DNA viruses replicate in the ____

A

nucleus

28
Q

RNA viruses replicate in the _____

A

cytoplasm

29
Q

Largest DNA virus

A

Poxvirus

30
Q

Release of naked viruses is thru ____

A

Lysis

31
Q

Release of enveloped viruses is thru ____

A

Budding

32
Q

It is the degradation of the capsid

A

Uncoating

33
Q

It causes morphological changes in cell organelles followed by cellular lysis

A

Cytopathic effects

34
Q

Viral infection wherein no progeny virus particles are produced

A

Abortive infection

35
Q

Viral genetic material remains in host without viral production

A

Latent infection

36
Q

Low level of viral production without immune clearance

A

Chronic infection

37
Q

Viral gene product induces unregulated cellular growth forming tumors

A

Viral transmission

38
Q

Group of viruses composed of circular gapped, DS DNA

A

Group VII

39
Q

Group of viruses composed of negative sense, SS RNA

A

Group V

MV (5 decks)

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