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Microbiology:BIsc 260 > Viruses (Exam 1) > Flashcards

Viruses (Exam 1) Flashcards

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Biology 101 flashcards
1
Q

most important bacteria on this planet and why

A

E.Coli and because it is a model organism

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2
Q

E. Coli produces a toxin called

A

Shiga

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3
Q

True or False: E.Coli lives in the brain

A

false

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4
Q

Is E. Coli gram negative or positive?

A

negative

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5
Q

what shape is E. Coli?

A

rod shaped

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6
Q

true or false: E. Coli doesnt have flagella

A

false

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7
Q

is Yersinia petis gram negative or positive

A

negative

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8
Q

true or false: Yersinia petis is rod shaped

A

true

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9
Q

45% of Yersinia Petis DNA content is made up of

A

GC

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10
Q

three types of plague under Yersinia Petis

A

pneumonic, septicemic, and bubonic

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11
Q

out of pnuemonic, septicemic, and bubonic- which one is the worst?

A

bubonic

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12
Q

true or false: Yersinia petis is a cocobacilus

A

true

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13
Q

what gene started off from a normal receptor but after people died of the plague the people who live in the town now has the mutation

A

CCR5

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14
Q

member of the flavivirdae family

A

zika virus

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15
Q

true or false: Zika virus is only a mosquito born virus

A

false. its from mosquito and tick

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16
Q

list the viruses under genus flavivirus

A

Dengue, West Nile, yellow fever, zika, and 60 others.

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17
Q

doesnt infect the eggs

A

yellow fever

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18
Q

mammals are a dead end. They (mosquito) dont bite you and pass it on unlike Zika

A

West Nile virus

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19
Q

Zika virus can be transmitted through:

A

mosquito, sexual transmission, mother to baby, and blood transfusion

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20
Q

Zika virus infects epidermal ___, skin fibroblasts in the skin, and the langerhans cells then moves to the __

A

keratinocytes, lymph nodes

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21
Q

Zika virus is found in the

A

brain

22
Q

true or false: Zika virus is the only thing that causes guillain- barre syndrome

A

false

23
Q

true or false: Guillain-barre syndrome is an autoimmune disease

A

true

24
Q

what are the two strains of Zika virus?

A

African and Asian

25
Q

out of African and Asian strain of Zika virus, which one is the latest outbreak

A

Asian

26
Q

Legionella pneumophila is gram negative or positive?

A

negative

27
Q

legionella pneumophila produces __ -___

A

beta-lactamase

28
Q

is Legionella pneumophila anerobic or aerobic

A

aerobic

29
Q

Legionella pneumophila has a GC or AT content of 38%?

A

GC

30
Q

recently discovered bacteria in 1876

A

legionella pneumophila

31
Q

what convention did legionella pneumophila spread at in Philadelphia ?

A

American Legion

32
Q

true or false: Koch postulates were unable to identify legionella pneumophila.

A

false

33
Q

what is the goal of legionella pneumophila virus?

A

to pass from person to person

34
Q

this virus has a helical symmetry, cylindrical shape

A

rabies

35
Q

Rabies has a _____ genome

A

ssRNA

36
Q

Rabies encodes five proteins, what are they?

A

matrix, glycoprotein, polymerae, phosphoprotein, and nucleoprotein

37
Q

viral polymerase can only recognize ___

A

ribnucleoprotein

38
Q

how many types of rabies virus are there?

A

seven

39
Q

using ___ ___ rabies virus evolved to present sequence in 1281

A

molecular clocks

40
Q

for Rabies virus, replication occurs in the ___

A

cytoplasm

41
Q

Rabies virus retrograde through ___ to ___

A

axon, CNS

42
Q

when it comes to Rabies its viral particles transport to ___ ___

A

salivary glands

43
Q

body and vaccine produce ___ antibodies for the rabies virus

A

neutralizing

44
Q

in 2013, a rabies death in Maryland was caused by an __ ___ from ___

A

organ transplant, donor

45
Q

where does Haloquadratum Walsbyi live

A

in the sea, high salty water

46
Q

Haloquadratum walsbyi is what shape

A

square shaped

47
Q

true or false: Hallquadratum walsbyi are extemophile

A

true

48
Q

true or false: peritirichous doesnt have an outer membrane

A

false

49
Q

do peritirchous have thin or thick peptidoglycan layer

A

thin

50
Q

where does peritirchous live in ( body wise)

A

the gut

Microbiology:BIsc 260 (18 decks)

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