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Microbial Growth & Control of Microbial Growth
$100
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$500
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Physical Requirements
for Growth
ChemicalRequirements
for Growth
Growth of Bacterial Cultures
Control of Growth
Miscellaneous
FINAL ROUND
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Topic 1: Physical Requirements
$100 Question
How is a Psychrophile different from a Psychrotroph?
BACK TO GAME
ANSWER
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Topic 1: Physical Requirements
$100 Answer
How is a Psychrophile different from a Psychrotroph?
A Psychrophile is a microbe that can grow at C, grows optimally at 15C, and usually won’t grow at 25C.
A Psychrotroph is a microbe that can grow at C, grows optimally at 20-30C, and usually won’t grow above 40C.
BACK TO GAME
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Topic 1: Physical Requirements
$200 Question
Which one of the following is most likely to cause food spoilage in your refrigerator?
a. Psychrophile
b. Thermophile
c. Psychrotroph
d. Mesophile
BACK TO GAME
ANSWER
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Topic 1: Physical Requirements
$200 Answer
Which one of the following is most likely to cause food spoilage in your refrigerator?
a. Psychrophile
b. Thermophile
c. Psychrotroph (correct answer)
d. Mesophile
BACK TO GAME
![Page 6: Microbial Growth & Control of Microbial Growth $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Physical Requirements for Growth Chemical Requirements](https://reader031.vdocument.in/reader031/viewer/2022012916/56649ea05503460f94ba2ccc/html5/thumbnails/6.jpg)
Topic 1: Physical Requirements
$300 Question
What type of organism is Listeria monocytogenes?
a. Psychrophile
b. Thermophile
c. Psychrotroph
d. Mesophile
BACK TO GAME
ANSWER
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Topic 1: Physical Requirements
$300 Answer
What type of organism is Listeria monocytogenes?
a. Psychrophile
b. Thermophile
c. Psychrotroph (correct answer)
d. Mesophile
BACK TO GAME
![Page 8: Microbial Growth & Control of Microbial Growth $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Physical Requirements for Growth Chemical Requirements](https://reader031.vdocument.in/reader031/viewer/2022012916/56649ea05503460f94ba2ccc/html5/thumbnails/8.jpg)
Topic 1: Physical Requirements
$400 Question
What happens to most cells when they are exposed to a salt water solution?
A)Nothing
B)The cell swells and may undergo osmotic lysis
C)The cell immediately divides
D)The cell undergoes plasmolysis and shrinks
BACK TO GAME
ANSWER
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Topic 1: Physical Requirements
$400 Answer
What happens to most cells when they are exposed to a salt water solution?
A)Nothing
B)The cell swells and may undergo osmotic lysis
C)The cell immediately divides
D)The cell undergoes plasmolysis and shrinks (correct answer)
BACK TO GAME
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Topic 1: Physical Requirements
$500 Question
Where might a hyperthermophile live?
a. At the ocean floor
b. In a human body
c. In acid
d. In salt water
BACK TO GAME
ANSWER
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Topic 1: Physical Requirements
$500 Answer
Where might a hyperthermophile live?
a. At the ocean floor (correct answer)
b. In a human body
c. In acid
d. In salt water
BACK TO GAME
![Page 12: Microbial Growth & Control of Microbial Growth $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Physical Requirements for Growth Chemical Requirements](https://reader031.vdocument.in/reader031/viewer/2022012916/56649ea05503460f94ba2ccc/html5/thumbnails/12.jpg)
Topic 2: Chemical Requirements
$100 Question
Chemoautotrophs and photoautotrophs derive their carbon from
a. Carbon dioxide
b. Proteins
c. Lipids
d. Carbohydrates
BACK TO GAME
ANSWER
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Topic 2: Chemical Requirements
$100 Answer
Chemoautotrophs and photoautotrophs derive their carbon from
a. Carbon dioxide (correct answer)
b. Proteins
c. Lipids
d. Carbohydrates
BACK TO GAME
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Topic 2: Chemical Requirements
$200 Question
Microbial metabolism is responsible for biogeochemical cycles.
A)True
B)False
BACK TO GAME
ANSWER
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Topic 2: Chemical Requirements
$200 Answer
Microbial metabolism is responsible for biogeochemical cycles.
A)True (correct answer)
B)False
BACK TO GAME
![Page 16: Microbial Growth & Control of Microbial Growth $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Physical Requirements for Growth Chemical Requirements](https://reader031.vdocument.in/reader031/viewer/2022012916/56649ea05503460f94ba2ccc/html5/thumbnails/16.jpg)
Topic 2: Chemical Requirements
$300 Question
In which of the above tubes are Facultative Anaerobes growing?
BACK TO GAME
ANSWER
A EDCB
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Topic 2: Chemical Requirements
$300 Answer
In which of the above tubes are Facultative Anaerobes growing?
Correct Answer: BBACK TO GAME
A B C D E
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Topic 2: Chemical Requirements
$400 Question
All organisms require amino acids to make proteins. How might amino acids be acquired?
a. Kreb cycle intermediates
b. Environment
c. Glycolysis intermediates
d. All of the above
BACK TO GAME
ANSWER
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Topic 2: Chemical Requirements
$400 Answer
All organisms require amino acids to make proteins. How might amino acids be acquired?
a. Kreb cycle intermediates
b. Environment
c. Glycolysis intermediates
d. All of the above (correct answer)
BACK TO GAME
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Topic 2: Chemical Requirements
$500 Question
Give an example of a biofilm residing inside the body of an animal.
BACK TO GAME
ANSWER
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Topic 2: Chemical Requirements
$500 Answer
Give an example of a biofilm inside the body of an animal.
Examples include: digestive systems, bacterial endocarditis, on teeth
BACK TO GAME
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Topic 3: Growth of Bacterial Cultures
$100 Question
Generation time can best be defined as
a. The length of time it takes for lag phase
b. The duration of log phase
c. The length of time it takes for a cell to divide
d. The amount of time it takes the cell to replicate its chromosome
BACK TO GAME
ANSWER
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Topic 3: Growth of Bacterial Cultures
$100 Answer
Generation time can best be defined as
a. The length of time it takes for lag phase
b. The duration of log phase
c. The length of time it takes for a cell to divide (correct answer)
d. The amount of time it takes the cell to replicate its chromosome
BACK TO GAME
![Page 24: Microbial Growth & Control of Microbial Growth $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Physical Requirements for Growth Chemical Requirements](https://reader031.vdocument.in/reader031/viewer/2022012916/56649ea05503460f94ba2ccc/html5/thumbnails/24.jpg)
Topic 3: Growth of Bacterial Cultures
$200 Question
Why can’t obligate anaerobes live in the presence of oxygen (yes, they die, but why?)
BACK TO GAME
ANSWER
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Topic 3: Growth of Bacterial Cultures
$200 Answer
Why can’t obligate anaerobes live in the presence of atmospheric oxygen (yes, they die, but why?)
Correct answer: Obligate anaerobes do not produce the enzymes (superoxide dismutase, catalase, peroxidase) necessary to neutralize the toxic forms oxygen takes in the cell
BACK TO GAME
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Topic 3: Growth of Bacterial Cultures
$300 Question
What is happening in cell A?
BACK TO GAME
ANSWER
A
B
C
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Topic 3: Growth of Bacterial Cultures
$300 Answer
BACK TO GAME
What is happening in cell A?
Correct answer:
DNA Replication
A
B
C
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Topic 3: Growth of Bacterial Cultures
$400 Question
Which of the areas in the bacterial growth curve represent the lag phase?
BACK TO GAME
ANSWER
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Topic 3: Growth of Bacterial Cultures
$400 Answer
Which of the areas in the bacterial growth curve represent the lag phase?
Correct Answer: 1BACK TO GAME
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Topic 3: Growth of Bacterial Cultures
$500 Question
Why did the population level off at area 3?
BACK TO GAME
ANSWER
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Topic 3: Growth of Bacterial Cultures
$500 Answer
Why did the population level off at area 3?
Correct answer: An increase in wastes and decrease in nutrients in an enclosed environment.
BACK TO GAME
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Topic 4: Control of Microbial Growth
$100 Question
In this graph, an antimicrobial agent was applied. Was this antimicrobial agent
Bacteriostatic or BactericidalBACK TO GAME
ANSWER
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Topic 4: Control of Microbial Growth
$100 Answer
In this graph, an antimicrobial agent was applied. Was this antimicrobial agent
Bacteriostatic (correct answer)BACK TO GAME
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Topic 4: Control of Microbial Growth
$200 Question
What will increase the effectiveness of most antiseptics and disinfectants?
A)Large number of microbes present
B)Presence of endospores
C)Presence of organic matter
D)Presence of biofilms
E)None of the aboveBACK TO GAME
ANSWER
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Topic 4: Control of Microbial Growth
$200 Answer
What will increase the effectiveness of most antiseptics and disinfectants?
A)Large number of microbes present
B)Presence of endospores
C)Presence of organic matter
D)Presence of biofilms
E)None of the above (correct answer)
BACK TO GAME
![Page 36: Microbial Growth & Control of Microbial Growth $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Physical Requirements for Growth Chemical Requirements](https://reader031.vdocument.in/reader031/viewer/2022012916/56649ea05503460f94ba2ccc/html5/thumbnails/36.jpg)
Topic 4: Control of Microbial Growth
$300 Question
What works better- Dry heat or Moist heat?
BACK TO GAME
ANSWER
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Topic 4: Control of Microbial Growth
$300 Answer
What works better- Dry heat or Moist heat?
Moist heat (correct answer)
BACK TO GAME
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Topic 4: Control of Microbial Growth
$400 Question
Radiation primarily affects
A)Plasma membranes
B)Protein synthesis
C)DNA
D)Protein structure
BACK TO GAME
ANSWER
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Topic 4: Control of Microbial Growth
$400 Answer
Radiation primarily affects
A)Plasma membranes
B)Protein synthesis
C)DNA (correct answer)
D)Protein structure
BACK TO GAME
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Topic 4: Control of Microbial Growth
$500 Question
Pasteurization is the same as complete sterilization.
A)True
B)False
BACK TO GAME
ANSWER
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Topic 4: Control of Microbial Growth
$500 Answer
Pasteurization is the same as complete sterilization.
A)True
B)False (correct answer)
BACK TO GAME
![Page 42: Microbial Growth & Control of Microbial Growth $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Physical Requirements for Growth Chemical Requirements](https://reader031.vdocument.in/reader031/viewer/2022012916/56649ea05503460f94ba2ccc/html5/thumbnails/42.jpg)
Topic 5: Misc.
$100 Question
What are the building blocks of DNA and RNA called?
BACK TO GAME
ANSWER
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Topic 5: Misc.
$100 Answer
What are the building blocks of DNA and RNA called?
Nucleotides (correct answer)
BACK TO GAME
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Topic 5: Misc.
$200 Question
Which is the deoxyribose?
BACK TO GAME
ANSWERD
C
B
A
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Topic 5: Misc.
$200 Answer
Correct Answer: A
BACK TO GAME
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Topic 5: Misc.
$300 Question
Nitrogen bases can be ‘complimentary’. What does that mean?
BACK TO GAME
ANSWER
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Topic 5: Misc.
$300 Answer
Nitrogen bases can be ‘complimentary’. What does that mean?
Correct answer: A only forms weak hydrogen bonds with T and C only forms weak hydrogen bonds with G.
BACK TO GAME
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Topic 5: Misc.
$400 Question
A ‘gene’ is a section of DNA that codes for a functional product, such as…..
BACK TO GAME
ANSWER
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Topic 5: Misc.
$400 Answer
A ‘gene’ is a section of DNA that codes for a functional product, such as…..
Correct Answer: A protein (primarily)
BACK TO GAME
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Topic 5: Misc.
$500 Question
In the Keepers of the Biosphere video, relationships between organisms in the rain forest were examined. Fungi in the rain forest had a symbiotic relationship with what organism?
BACK TO GAME
ANSWER
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Topic 5: Misc.
$500 Answer
In the Keepers of the Biosphere video, relationships between organisms in the rain forest were examined. Fungi in the rain forest had a symbiotic relationship with what organism?
Correct Answer: Ants
BACK TO GAME
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FINAL ROUND Question
An experiment began with 5 cells and
ended with 160 cells. How many
generations did the cells go through?
a. 20
b. 6
c. 4
d. 5BACK TO GAME
ANSWER
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FINAL ROUND Answer
An experiment began with 5 cells and ended with 160 cells. How many generations did the cells go through?
a. 20
b. 6
c. 4
d. 5 (correct answer)
BACK TO GAME