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microbiology 1 > bacteria growth and identification > Flashcards

bacteria growth and identification Flashcards

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Biology 101 flashcards
1
Q

what are pili?

A

hair like appendages on the surface of many bacteria

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2
Q

what are flagella?

A

lash like appendages on certain bacteria and eukaryotes

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3
Q

what is the function of salt in selective agar?

A

disinfectant, inhibit bacterial growth

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4
Q

what is lipopolysacharide?

A

endotoxins found on outer membrane of gram negative bacteria

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5
Q

which type of toxins do both gam positive ad negative secrete?

A

exotoxins

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6
Q

which type of taxis do only gram negative secret?

A

endotoxins

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7
Q

what colour is gram negative?

A

pink

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8
Q

what colour is gram positive?

A

purple

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9
Q

give an example of a gram positive cocci?

A

staphylococcus aureus

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10
Q

give an example of a gram positive bacilli ?

A

clostridium tetani

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11
Q

give an example of a gram negative cocci?

A

neisseria meningitidis

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12
Q

give an example of a gram negative bacilli?

A

prevotella intermedia

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13
Q

all living cells are either?

A

prokaryotic or eukaryotic

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14
Q

identify some characteristics of prokaryotes?

A

strands of DNA, no nucleus, small ribosomes

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15
Q

identify some characteristics of eukaryotes?

A

nucleus, large ribosome, organelles, internal membrane

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16
Q

give examples of prokaryotes?

A

bacteria, archea

17
Q

give examples of eukaryotes?

A

plants, animals

18
Q

what are the 2 types of agar?

A

selective and non-selective

19
Q

give an example of selective agar?

A

manitol agar (high salt conc)

20
Q

give an example of non-selective agar?

A

blood agar

21
Q

what is the name for bacteria which grow in the presence of oxygen?

A

aerobes

22
Q

what are anaerobes?

A

bacteria which grow in the absence of oxygen

23
Q

what is the name for bacteria which ca grow with or without oxygen?

A

facultative anaerobes

24
Q

what is the name for bacteria which grow in reduced concentrations of oxygen?

A

microaerophilic

25
Q

what is the name for bacteria which require low conc of CO2?

A

caonophilic

26
Q

endogenous bacteria are most likely found where?

A

nares

27
Q

what does MRSA stand for?

A

methicillin resistant staph aureus

28
Q

what does SICP stand for?

A

standard infection control precautions

29
Q

what is osteomyelitis?

A

bone infection

30
Q

which antibiotic is used to treat staph aureus?

A

amoxicillin

31
Q

what is the name for infection of the heart valves and in which type of people is it common in?

A

infective endocarditis - intravenous drug users

32
Q

what is the name for white cell toxin?

A

leukocidin

microbiology 1 (2 decks)

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