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Biology 2370 > Growth and Cultures > Flashcards

Growth and Cultures Flashcards

1
Q

Name for the group of proteins that synthesize new DNA

A

Replisome

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2
Q

Z-Ring proteins

A

FtsZ

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3
Q

Name for formation of a cross wall?

A

Septation

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4
Q

Proteins that guide peptidoglycan synthesis to make cells a certain shape?

A

Penicillin Binding Proteins (PBPs)

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5
Q

3 types of reactive oxygen species

A

Superoxide radicals, Hydrogen peroxide and Hydroxyl radical

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6
Q

3 types of ROS adaptations

A

Peroxidase, Superoxide dismutase, Catalase

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7
Q

What breaks down Super oxide radicals (O2-)

A

Superoxide dismutase

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8
Q

Superoxide dismutase breaks down ______

A

Super oxide radicals (O2-)

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9
Q

What neutralizes Hydrogen Peroxide

A

Catalase and Peroxidase

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10
Q

Catalase and Peroxidase both break down ______

A

Hydrogen Peroxide

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11
Q

What breaks down Hydroxyl Radicals?

A

Nothing

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12
Q

Oxygen adaptations in Obligate Aerobes

A

Peroxidase, Superoxide dismutase and Catalase

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13
Q

Oxygen adaptations in Facultative Anaerobes

A

Peroxidase, Superoxide dismutase and Catalase

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14
Q

Oxygen adaptations in Aerotolerant anaerobes

A

Superoxide Dismutase

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15
Q

Oxygen adaptations in Strict anaerobes

A

None

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16
Q

Oxygen adaptations in Microaerophiles

A

Superoxide Dismutase and Catalase sometimes

17
Q

Syntropy

A

One organism utilizing the waste of another

18
Q

System that localizes the Z ring

A

MinCDE

19
Q

Radiation adaptations

A

Pigments, DNA and protein repair

20
Q

Differential vs Selective media

A

Differential indicates what category the bacteria is in, Selective only allows a certain type of bacteria to grow

21
Q

5 phases of growth in culture media

A

lag, log, stationary, death and long term stationary

22
Q

Blood agar is both

A

Enriched and Differential

23
Q

Eosin Methylene Blue agar is both

A

Selective and differential

24
Q

MacConkey agar is both

A

Selective and differential

25
Q

MacConkey agar selects for

A

G-

26
Q

Mannitol Salt agar is both

A

selective and differential

27
Q

Chemostat cultures at optimal or sub-optimal?

A

Sub-Optimal

28
Q

Turbidostat Cultures at optimal or sub-optimal

A

Optimal

29
Q

3 Ways of classifying culture media

A

Composition, physical nature or function

30
Q

Blood agar distinguishes between what 2 types of bacteria

A

Hemolytic vs non-hemolytic

Biology 2370 (11 decks)

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