Bacteria and Archaea Flashcards

1
Q

Diplococci (pairs)

A

bacteria: Neisseria gonorrhoeae
disease: Gonorrhea

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2
Q

Streptococci (chains)

A

bacteria: Streptococcus pyogenes
disease: Strep throat

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3
Q

Staphylococci (grape-like cluster)

A

bacteria: Staphylococcus aureus
disease: boils

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4
Q

rod-shaped bacteria

A

Listeria monocytogenes and Haemophilus influenza

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5
Q

cholera

A

vibrio cholera (single polar flagellum)

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6
Q

Borreliaburgdoferi

A

Lyme disease

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7
Q

Borrelia hermsii

A

relapsing fever

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8
Q

Campylobacter (pairs)

A

diarrhea

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9
Q

Treponema pallidum

A

syphilis

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10
Q

Pleomorphic bacteria

A

CDW cell wall-deficient bacteria

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11
Q

mycopLAsma

A

pleomorphic bacteria (no cell wall)
resistant to antibiotics that inhibit cell wall synthesis

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12
Q

what is the best method for bacterial fixation

A

methanol fixation

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13
Q

acid-fast chain is used in the diagnosis of

A

Tuberculosis

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14
Q

acid-fast stain is used to diffrentiate between

A

Mycobacteria

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14
Q

acid-fast stain is used to diffrentiate between

A

Mycobacteria

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15
Q

acid-fast stain is used to differentiate between

A

Mycobacterium and any other bacterium

16
Q

how can we test for bacteria motility

A

1- semisolid agar or stabbing method
motile organisms will grow away from the stab line
2- hanging-drop method

17
Q

the size of colonies is determined by

A

the organism’s rate of growth (generation time)

18
Q

Obligate aetobes

A

Mycobacteria

19
Q

Microaerophilic aerobes

A

Neisseria gonorrhoeae and Campylobacter

20
Q

facultative Anaerobes

A

staphylococci and streptococci

21
Q

main elements (nutritional requirements) for all bacteria

A

C, H, O, S, P, N

22
Q

Rickettsias

A

unique bacteria
gram-negative
All the diseases it causes involve production of rash

23
Q

Chlamydias

A

unique bacteria
Gram-negative
obligate intracellular pathogens

24
Chlamydia trachomatis
Trachoma → causes blindness Conjunctivitis (also eye disease) Nongonococcal urethritis (NGU, STD)
25
Mycoplasma (M. pneumoniae)
atypical pneumonia
26
M. genitalium (mycoplasma)
NGU
27
human monocytic ehrlichiosis (HME) is caused by
Ehrlichia chaffeensis:
28
human granulocytic ehrlichiosis (HGE) is caused by
Anaplasma
29
example on oxygenic photosynthetic bacteria
cyanobacteria