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Microbiology > L3 > Flashcards

L3 Flashcards

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Biology 101 flashcards
1
Q

Generation time of bacteria

A

20 minutes to 24 hours

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2
Q

Mycobacterium tuberculosis take how many time

A

24 hours

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3
Q

pH of culture medium

A

6 - 8

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4
Q

Require Organic compounds as source of energy as: (carbohydrates,
lipids, proteins

A

Heterotrophic bacteria

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5
Q

Utilize simple Inorganic compounds as source of energy such as:
( Carbon - CO2, carbonates; N - ammonia, nitrates).

A

Autotrophic bacteria

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6
Q

Capnophilic bacteria

A

need high concentrations of carbon dioxide (CO2) -((Campylobacter))

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7
Q

Obligate (strict) aerobe

A

Pseudomonas

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8
Q

Facultative anaerobe

A

Escherichia coli

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9
Q

Obligate anaerobe

A

Clostridium species

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10
Q

Aerotolerant anaerobe

A

Streptococcus pyogenes

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11
Q

Microaerophile

A

Campylobacter species

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12
Q

Microaerophile & Capnophilic

A

Campylobacter

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13
Q

require special nutrients supplied in culture medium

A

Fastidious organisms

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14
Q

Non cultivable bacteria

A

Mycobacterium leprae (leprosy) & Treponema pallidum

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15
Q

intracellular organisms

A

Chlamydia and Rickettsia

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16
Q

lquid like water without agar

A

broth

17
Q

2% of agar to

A

solidify media

18
Q
  • 6% agar to
A

inhibit motility of proteus

19
Q

visible mass of bacterial cells derived from a single parental cell

A

colony

20
Q

The major mechanisms for generating metabolic energy are

A

fermentation
and respiration

21
Q

The Embden-Meyerhof, Entner-Doudoroff, and hetero lactate
pathways are three pathways used for

A

glucose catabolism in bacteria

22
Q

Carrier state: person harbors, asymptomatic and
transmits to others e.g

A

. Typhoid bacilli

23
Q

Chronic carrier

A

HBV

Microbiology (10 decks)

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