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Microbiology > Microbiology chapter 6 > Flashcards

Microbiology chapter 6 Flashcards

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Biology 101 flashcards
1
Q

What is mad cow disease called

A

bovine spongiform encephalopathy

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2
Q

Scrapie was first discovered in

A

sheep

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3
Q

The first prion disease discovered is

A

Kuru in humans

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4
Q

Prion diseases are also called what

A

spongiform encephalopathy

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5
Q

The lysogenic conversion is responsible for what

A

diptheria, cholera, botulism

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6
Q

Induction is

A

the activation of a prophage in a lysogenic cell

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7
Q

A Prophage is

A

inactive state when DNA inserted into host chromosome

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8
Q

Lysogenic cycle bacteriophages is when

A

the bacteriophage becomes incorporated in the host cell

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9
Q

Lytic phase is when

A

bacteriophage invades multiplies and then destroys cell

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10
Q

3 steps of lysogenic viruses

A

infect, insert DNA, transduction

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11
Q

Measles causes

A

subacute sclerosing panencephalitis

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12
Q

What are persistent viruses

A

active and become chronic in some

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13
Q

The chronic latent state is

A

periodic activation after a period of inactivity

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14
Q

Provirus viral DNA is

A

incorporated into host DNA

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15
Q

What causes t cell leukemia

A

oncornavirus

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16
Q

What causes HIV

A

lentivirus

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17
Q

What causes dengue fever and west nile

A

flaviviruses

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18
Q

What causes ebola

A

filovirus

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19
Q

What causes mumps and measels

A

paramyxoviruses

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20
Q

What causes influenze

A

orthomycoviruses

21
Q

What causes rabies

A

rhabdoviruses

22
Q

What causes rubella and encephalitis

A

togviruses

23
Q

What causes polio, hep A and the common cold

A

picornaviruses

24
Q

What causes rotaviruses

A

reoviruses

25
Q

The hepadnaviruses are

A

non-enveloped

26
Q

What causes kaposis sarcoma

A

HHV-8

27
Q

What causes cytomegalovirus

A

HHV-5

28
Q

What causes epstein bar virus mono and tumors

A

HHV-4

29
Q

What causes chickenpox and shingles

A

HHV-3

30
Q

What causes genital herpes

A

HHV-2

31
Q

What causes cold sores

A

HHV-1

32
Q

what binds to p53

A

HPV

33
Q

What is a synctia

A

fusion of multiple host cells into large multinucleated cells

34
Q

What are eucaryotic viruses

A

must be grown in cell culture, eggs, or living animals

35
Q

What viruses have to be converted into positive sense

A

negative sense RNA

36
Q

what viruses act like mRNA when entering cell

A

positive sense RNA

37
Q

What is uncoating

A

when enzymes in vacuole dissolve envelope and capsid

38
Q

What is endocytosis

A

when entire virus is engulfed by cell and enclosed in a vacuole or vesicle

39
Q

What are the phases of life for a virus

A

absorption, penetration, synthesis, assembly and release

40
Q

What polymerases must be viral

A

RNA dependent RNA polymerase
DNA dependent DNA polymerase

41
Q

What disease are caused by ssRNA viruses

A

HIV and AIDS

42
Q

What disease is caused by dsRNA

A

rotavirus, gastroenteritis

43
Q

What type os virus is influenza

A

ssRNA minus

44
Q

What type of virus is poliovirus

A

ssRNA positive

45
Q

What type of virus is parvovirus

A

ssDNA

46
Q

What can parvovirus result in

A

erythema infectiosum

47
Q

Variola and herpes simplex 2 are caused by what type of virus

A

dsDNA

48
Q

What causes smallpox

A

variola

49
Q

What are cylindrical viruses

A

0.8 um long and 0.015 diameter

Microbiology (1 decks)

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