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Bacteriology > Microbial Growth & Nutrition > Flashcards

Microbial Growth & Nutrition Flashcards

1
Q

Group of bacteria that grow with CO2 as the sole source of carbon

A

Autotroph

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2
Q

Group of bacteria that obtain energy by oxidizing or fermenting organic substances

A

Heterotroph

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3
Q

What is the energy source of chemoheterotrophs?

A

Organic compounds

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4
Q

Bacteria that grow only within a short temperature range

A

Stenothermophilic

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5
Q

Bacteria that grow between 80-100C

A

Hyperthermophilic

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6
Q

Bacteria that grow between 4-20C

A

Psychrophilic

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7
Q

Bacteria that can survive in the presence of oxygen but do not use oxygen in metabolism

A

Aerotolerant anaerobe or facultative aerobe

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8
Q

Best phase to give antibiotics

A

Log phase

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9
Q

Bacterial metabolism where the final electron acceptor is an inorganic compound; complete glucose oxidation

A

Respiration

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10
Q

Manner of dispensing: plated media

A

Weigh, dissolve, autoclave, dispense (WDAD)

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11
Q

Manner of dispensing: tube media

A

Weigh, dissolve, dispense, autoclave (WDDA)

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12
Q

What is the inhibitor of Mannitol Salt Agar?

A

7.5% NaCl

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13
Q

What is the pH indicator of TCBS?

A

Bromothymol blue

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14
Q

What sugar does TCBS ferment?

A

Sucrose

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15
Q

Inhibitors of Modified Thayer-Martin:

A

Vancomycin, Colistin, Nystatin, Trimethoprim

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16
Q

Inhibitors of Martin-Lewis:

A

Vancomycin, Colistin, Anisomycin, Trimethoprim

17
Q

Inhibitors of New York City:

A

Vancomycin, Colistin, Amphotericin B, Trimethoprim

18
Q

Antimicrobial agents: cell wall synthesis inhibitors

A

B-lactams (penicillin, cephalosporins, carbapenems), glycopeptides (vancomycin), bacitracin

19
Q

This gene transfer mechanism works by the uptake of naked DNA into the bacterial cell

A

Transformation

20
Q

In reading tubes for carbohydrate utilization, fermentation is read on what part of the tube?

A

Bottom

21
Q

This biochemical test uses an enzyme to transfer electrons to oxygen through aerobic bacterial respiration systems

A

Cytochrome oxidase

22
Q

Tryptophanase enzyme in spot indole test degrades Tryptophan to:

A

Indole, ammonia, pyruvic acid

Bacteriology (11 decks)

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