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Microbiology > Ch11 Prokaryotes > Flashcards

Ch11 Prokaryotes Flashcards

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Biology 101 flashcards
1
Q

the most common infectious bacteria, 75% of insects have inside them

A

Wolbachia

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2
Q

how wolbachia is transmitted, what it does

A

via insect eggs

can change the sex ratio of offspring

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3
Q

most abundant bacteria on earth, can grow in low levels of nutrients

A

pelagibacter

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3
Q

tropical plant root alphaproteobacteria, fixes nitrogen

A

Azospirillum

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4
Q

closest living relative to mitochondria, causes rocky mountain spotted fever

A

Rickettsia (alpha)

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5
Q

alphaproteobacteria that fixes nitrogen for legumes

A

Rhizobium

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6
Q

alphaproteobacteria that turns ammonium into nitrite

or nitrite into nitrate

A

Nitrobacter

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7
Q

list the alphaproteobacteria

A 
pelagibacter
azospirillum
rickettsia 
wolbachia 
rhizobium 
nitrobacter
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8
Q

list betaproteobacteria

A

theobacillus
bordetella
neisseria

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9
Q

where betaproteobacteria live

A

close to anaerobic enviroments bc they use nutrients from anaerobic decompisition

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10
Q

betaproteobacteria that oxidizes sulfur

A

theobacillus

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11
Q

betaproteobacteria that causes pertussis (whooping cough or kennel cough)

A

Bordetella

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12
Q

betaproteobacteria that causes gonorhea, lives in mucous membrane of those it infects

A

neisseria

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13
Q

list the gammaproteobacteria

A 
pseudomonas
legionella
eschericia
klebsiella
yersinia
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14
Q

gammproteobacteria: most common causal agent of infections due to burns

A

pseudomonas

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15
Q

psuedomonas used for bioremediation (making organisms good at breaking down pollutants)

A

pseudomonas aeruginosa

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16
Q

gammaproteobacteria that causes Legionnaires disease (pneumonia), grows in warm water supply lines and AC cooling towers

A

Legionella

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17
Q

gammaproteobacteria that lives in the GI track of organisms, can cause hemoragic diarrhea, main indicator of water quality/ fecal contaminaiton

A

Eschericia

E Coli specifically

18
Q

strain of E coli found in bovine digestive tracks

A

O157:H7

19
Q

what gammaproteobacteria Klebsiella does

A

causes pneumonia, fixes nitrogen

20
Q

gammaproteobacteria that caused the black death/ bubonic plague. trasmitted via rats and fleas

A

Yersinia (Yersinia pestis specifically)

21
Q

proteobacteria group that is predatory on other bacteria

A

deltaproteobacteria

22
Q

sulfur producing deltproteobacteria

A

desulfovibrio

23
Q

how deltaproteobacterium Myxococcus reproduces

A
  • individuals swarm together forming biofilm
  • quorum sense and form stalk that forms myxospores
  • myxospores spread and germinate
24
Q

group of proteobacteria that is helical or curved

A

epsilonproteobacteria

25
Q

epsilonproteobacteria associated w gastric ulcers and stomach cancer
loss associated w weight gain or obesity bc it produces ghrelin that controls hunger

A

Heliobacter (H. pylori specifically)

26
Q

list non-proteobacteria gram-neg

A

cyanobacteria
Chlamydia
spirochete

27
Q

non-proteobacteria, gram-neg, that can be filamentous or non-filamentous, form heterocysts to fix nitrogen, carry out oxygen photosynthesis

A

cyanobacteria

28
Q

examples of cyanobacteria

A

anabaena

gloeocaosa (unicellular non-filamentous)

29
Q

non-proteobacteria gram-neg w no peptidoglycan in cell wall, reproduce via elementary bodies

A

chlamydia

30
Q

non-proteobacteria gram-neg that causes lyme disease

A

Borrelia burgdorferi (spirochete)

31
Q

non-proteobacteria gram-neg that causes syphilis

A

Treponema (spirochete)

32
Q

firmicutes v actinobacteria (high or low G+C) (gram pos or neg)

A

firmicutes= low G+C
actinobacteria= high G+C
both gram pos

33
Q

firmicutes w no cell wall

A

mycoplasmatales

34
Q

firmicutes that produce endospores anaerobically v aerobically

A 
anaerobic= clostridiales 
aerobic= bacillales
35
Q

firmicutes w cell walls that dont produce endospores

A

lactobaccillales

36
Q

clostridium perfringens is a spore former that causees

A

gas gangrene

37
Q

examples of clostridium bacteria

A

tetani, botulinum, perifringens

38
Q

examples of bacillus (of genera Bacillales, aerobic endospore formers)

A

anthracis= causes anthrax
thuringiensis= makes Bt toxin
subtilis, cereus,
staphylococcus =methicillin resistant staph. aureus “MRSA”)
streptococcus= pyogens cause strep throat, mutans; main bacteria that cause cavities

39
Q

actinobacteria that causes tuberculosis and leprosy

A

mycobacterium

40
Q

actinobacteria that causes actinomyces (an infection of the head, neck, and lungs

A

actinomyces

41
Q

actinobacteria that causes the smell of rain

is the source of many anitbiotics, common in soil

A

streptomyces

42
Q

list the actinobacteria (high G+C gram pos)

A

mycobacterium
actinomyces
streptomyces

43
Q

organism that produces most of the O2 we breathe

A

cyanobacteria (non-proteabacteria gram-neg)

Microbiology (21 decks)

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