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Semester 2 Microbiology Lab > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

what is the chemical equation for aerobic respiration

A

C6H12O6 + O2 = CO2 + H2O + energy

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2
Q

what are catalase + strains of gram positive cocci

A

micococcus
staphylococcus
some bacilli

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3
Q

what are the catalase - strains of gram positive cocci

A

enterococcus and streptococcus

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4
Q

what are the oxidase + strains of gram negative rods

A

P. aeruginosa
Neisseria
some bacillus

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5
Q

what are the oxidase - strains of gram negative rods

A

E. coli and facultative anaerobes

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6
Q

what are the coagulase + strains of staphylococcus

A

Staphylococcus aureus

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7
Q

what are the coagulase - strains of staphylococcus

A

other staph series and Micrococcus

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8
Q

selects for or against certain bacteria

A

selective

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9
Q

organisms have different reactions to the media

A

differential

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10
Q

salt selects for halophiles

A

selective msa

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11
Q

mannitol and phenol red differentiates staph series

A

differential msa

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12
Q

what is the location of enteric bacteria

A

GI tract of warm blooded animals

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13
Q

are enteric bacteria gram positive or negative

A

negative

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14
Q

what is the shape of enteric bacteria

A

rod

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15
Q

how does contamination of enteric bacteria happen

A

improper food handling

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16
Q

dye selects against gram positive bacteria

A

selective emb

17
Q

lactose fermentation

A

differential phenol red and differential emb

18
Q

starch hydrolysis differentiates species of Clostridium, Enterococcus, and Bacillus

A

differential starch

19
Q

what is enriched blood

A

blood agar

20
Q

varying degrees of hemolysis

A

differential blood agar

21
Q

exotoxins that can break down RBC

A

hemolysis blood agar

22
Q

rely on oxygen for respiration

A

obligate aerobe

23
Q

cannot grow with oxygen present

A

obligate anaerobe

24
Q

can use oxygen, but do not need it

A

facultative anaerobe

25
Q

use oxygen but in little quantities

A

microaerophile

26
Q

can tolerate oxygen and will grow in it, but do not generally use it

A

aerotolerant anaerobe

Semester 2 Microbiology Lab (4 decks)

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