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MicroBio > Test 1 Chapter 6 > Flashcards

Test 1 Chapter 6 Flashcards

1
Q

What are the 5 stages of the lytic cycle, in order?

A

attachment, penetration, biosynthesis, maturation, lysis

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2
Q

Which of the following is non-self-replicating RNA?

A

Virusoids

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3
Q

Which of the following causes polio?

A

Enterovirus C.

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4
Q

All viruses are obligate intracellular parasites? T/F

A

True, Cannot reproduce outside a host cell, rely entirely on intracellular resources

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5
Q

The viral genome is ____.

A

DNA or RNA

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6
Q

A phage transferring DNA from one bacterium to another is _____.

A

Transduction

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7
Q

Which of the following causes latent infections?

A

Herpesviridae

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8
Q

Which of the following best describes viroids?

A

short strand of circular RNA capable of self-replication

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9
Q

A chronic infection is a disease with signs or symptoms present over a
long time. T/F

A

True

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10
Q

Hepatitis B virus _____.

A

is a helper virus for hepatitis delta virus

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11
Q

Fomites are inanimate objects. T/F

A

True. Inanimate objects that are vectors for a disease.

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12
Q

Which of the following has a ssDNA genome and is
nonenveloped?

A

poliovirus. Enterovirus C.

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13
Q

What animal were prions first discovered in?

A

Sheep

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14
Q

What is the most contagious virus for humans?

A

Measles Virus

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15
Q

Which of the following diseases is associated with ritualistic
cannibalism?

A

Kuru

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16
Q

Which of the following is NOT true of viruses?

A

they are infectious cellular pathogens

17
Q

In retroviruses, the integrated phage genome is a _____.

A

Provirus. A virus genome that is integrated into the DNA of the host cell.

18
Q

Which of the following is a novel enzyme found in retroviruses?

A

reverse transcriptase

19
Q

Which of the following have no nucleic acid?

A

Prions.

20
Q

Which of the following has a dsDNA genome and is
nonenveloped?

A

Human Papilloma Virus (HPV)

21
Q

Which of the following is true about Ebola virus?

A

it is a member of the Filoviridae family.

22
Q

Which of the following is true of viroids?

A

they are circular RNA

23
Q

Which of the following is transmitted by the fecal-oral route?

A

Polio

24
Q

Varicella-zoster virus is a member of the Herpesviridae family. T/F

A

True

25
Q

Which of the following allows an animal virus to attach to the
host cell?

A

Spikes

26
Q

Which of the following causes chickenpox?

A

Varicella-zoster virus

MicroBio (13 decks)

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