bio2 continue Flashcards

(33 cards)

1
Q

alpha proteobacteria: many species are closely associated with

A

eukaryotic hosts

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2
Q

scientist hypothesize that mitochondria evolved from —— through ——

A

aerobic alpha proteobacteria
endosymbiosis

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3
Q

endosymbosis

A

2 organisms living together with one inside the other

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4
Q

endosymbiosis: ex:

A
  1. rhizobium and the plant legumes
    2.agrobacterium which produces tumor in plants and is used in genetic engineering
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5
Q

agrobacteruim

A

which produces tumor in plants and is used in genetic engineering

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6
Q

beta photo bacteria : ex:

A

the soil bacterium NITROSOMONAS which converts NH4+(ammonium) to NO2- ( nitrogen dioxide)

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7
Q

NITROSOMONAS

A

which converts NH4+(ammonium) to NO2- ( nitrogen dioxide) making the nitrogen less toxic and more usable for plants and other organisms

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8
Q

gamma proteobacteria: divide into 2 ex:

A

1.sulfur bacteria such as THIOMARGARITA NAMBIENSIS 2. pathogens such as LEGIONELLA, SALMONELLA,and VIBRIO CHOLERAE

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9
Q

gamma proteobacteria: ecoli resides in ? is it pathogemic?

A

the intestines of many mammals and is not normally pathogenic

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10
Q

delta proteobacteria: slime secreting myxobacteria produce

A

resistant myxospores

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11
Q

delta proteobacteria: why do slime secreting myxobacteria produce resistant myxospores?

A

as a survival strategy to endure periods of nutrient starvation and other harsh environmental conditions

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12
Q

delta proteobacteria: ex:

A

bdellovibrios

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13
Q

delta proteobacteria: bdellovibrios-

A

which mount high speed attacks on other bacteria

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14
Q

epsilon proteobacteria: this group contains

A

many pathogens including campylobacter and helicobacter pylori

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15
Q

epsilon proteobacteria: campylobacter

A

which causes blood poising

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16
Q

epsilon proteobacteria: helicobacter pylori:

A

which causes stomach ulcers

17
Q

chlamydias: these bacteria are?

A

parasites that live within animal cells(parrots-chlamydia psittaci)

18
Q

CHLAMYDIA TRACHOMATIS causes what by sexual transmission?

A

blindness and nongonococcal urethritis

19
Q

gonococcal urethritis

A

is when infection is caused by gonorrhea

20
Q

non-gonococcal urethritis(NGU) or non specific urethritis

A

is when the infection is caused by something other than gonorrhea, such as CHLAMYDIA

21
Q

spirochetes

A

these bacteria are helical heterotrophs

22
Q

helical heterotrophs

A

an organism that eats other plants or animals for energy and nutrients

23
Q

spirochetes: some are parasites including:

A

treponema pallidum and borrelia burgdorfei

24
Q

treponema pallidum

A

causes syphilis, an example of a Spirochete

25
borrelia burgdorfei
causes Lyme disease, an example of a spirochete
26
cyanobacteria these are
photoautotrophs that generate O2
27
plant chloroplasts likely evolved from---- by the process of----
Cyanobacteria , endosymbiosis
28
plant chloroplasts
organelles found in plant cells and some other eukaryotic organisms that are responsible for photosynthesis
29
Gram positive bacteria include:
1. actinomycetes- which decompose soil 2. bacillus anthraces-the cause of anthrax 3.clostridium botulinum- the cause of botulism 4.Staphylococcus and Streptococcus- which can be pathogenic 5. mycoplasms- the smallest known cells, damaging the lining of respiratory system
30
actinomycetes-
which decomposes soil gram positive bacteria
31
bacillus anthraces-
the cause of anthrax gram positive bacteria
32
clostridium botulinum
the cause of botulism gram positive bacteria
33
Staphylococcus and Streptococcus
which can be pathogenic gram positive bacteria