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Micro > Lecture 14- VIROLOGY! > Flashcards

Lecture 14- VIROLOGY! Flashcards

1
Q

What is an example of a lytic, acute viral replication?

A

Naked Viruses use this method!

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2
Q

What is an example of non lytic, chronic viral replication?

A

Enveloped viruses Modus Opperandi

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3
Q

What is an example of Latent viral replication?

A

HERPES!

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4
Q

What is an example of viral replication via transformation?

A

HPV (cancer)

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5
Q

What are the envelope possibilities for dsRNA viruses?

A

JUST NAKED!

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6
Q

What are the envelope possibilities for ssRNA viruses?

A

Naked and Enveloped

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7
Q

What are the envelope possibilities for dsDNA viruses?

A

Naked and Enveloped

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8
Q

What are the envelope possibilities for ssDNA viruses?

A

JUST NAKED!

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9
Q

What does (+) “sense” orientation infer?

A

That it is in the same orientation as normal mRNA

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10
Q

What structure determines what cells a virus can infect?

A

Spike Proteins!

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11
Q

What type of mRNA MUST viruses be able to produce in order to replicate their protein products?

A

(+) “sense” RNA, some viruses come like this already, some have to bring an enzyme that will translate to this

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12
Q

BIG concept: what does (-)ssRNA need in order to convert it to (+)ssRNA?

A

It needs RNA-dependent RNA polymerase

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13
Q

What is another name for Reverse Transcriptase?

A

RNA-dependent DNA Polymerase

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14
Q

What is the difference between horizontal and vertical transmission?

A

Horizontal: person to person, Verticle: mom to neonate

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15
Q

What it the iceberg effect?

A

When a pathogen (virus) is asymptomatic and therefore people can be carriers and not know it. So a large amount of a population is infected, but you can’t tell

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16
Q

What is an example of an iceberg effect virus?

A

PolioMyelitis…HUGE infection rate, but only 1% showed the paralyzed manifestation of the disease

17
Q

Does a ssDNA virus need to 1.code for a polymerase? 2. bring its own polymerase?

A

1.NO 2.NO

18
Q

Does a dsDNA virus need to 1.code for a polymerase? 2. bring its own polymerase?

A

1.NO 2.NO

19
Q

Does a (+) ssRNA virus need to 1.code for a polymerase? 2. bring its own polymerase?

A

1.YES (needs a code to make an RNA-dependent, RNA polymerase) 2.NO

20
Q

Does a (-) ssRNA virus need to 1.code for a polymerase? 2. bring its own polymerase?

A

1.YES (needs to code to make an RNA-dependent, RNA polymerase) 2.YES (needs to bring in a converter from (-)ssRNA to (+)ssRNA

21
Q

Does a dsRNA virus need to 1.code for a polymerase? 2. bring its own polymerase?

A

1.YES 2.YES

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