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microbiology > Bacteria and Archaea > Flashcards

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
Q

Chlamydia trachomatis

A

Trachoma → causes blindness
Conjunctivitis (also eye disease)
Nongonococcal urethritis (NGU, STD)

25
Q

Mycoplasma (M. pneumoniae)

A

atypical pneumonia

26
Q

M. genitalium (mycoplasma)

A

NGU

27
Q

human monocytic ehrlichiosis (HME) is caused by

A

Ehrlichia chaffeensis:

28
Q

human granulocytic ehrlichiosis (HGE) is caused by

A

Anaplasma

29
Q

example on oxygenic photosynthetic bacteria

A

cyanobacteria

microbiology (9 decks)

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