Podcast
Questions and Answers
What does 'In vitro' mean?
What does 'In vitro' mean?
- Under natural conditions
- In a sterile environment
- Within the living
- Within glass (correct)
What is the meaning of 'In vivo'?
What is the meaning of 'In vivo'?
- Outside the body
- In an artificial medium
- Without oxygen
- Within the living (correct)
Which of the following is NOT a factor affecting microbial growth?
Which of the following is NOT a factor affecting microbial growth?
- Moisture
- Temperature
- Gravity (correct)
- pH
What is the process of complete drying called?
What is the process of complete drying called?
Which microorganisms can survive dessication?
Which microorganisms can survive dessication?
Which group of organisms prefers temperatures above 45°C?
Which group of organisms prefers temperatures above 45°C?
Which hyperthermophile can survive above 100°C?
Which hyperthermophile can survive above 100°C?
What is the optimal pH range for most bacteria?
What is the optimal pH range for most bacteria?
Which type of pressure affects microbial growth?
Which type of pressure affects microbial growth?
Which of the following organisms prefers high salt concentrations?
Which of the following organisms prefers high salt concentrations?
Flashcards
What does 'In vitro' mean?
What does 'In vitro' mean?
Within glass; controlled environment.
What is the meaning of 'In vivo'?
What is the meaning of 'In vivo'?
Within the living; in a natural environment.
Which of the following is NOT a factor affecting microbial growth?
Which of the following is NOT a factor affecting microbial growth?
Gravity is not a factor affecting microbial growth.
What is the process of complete drying called?
What is the process of complete drying called?
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Which microorganisms can survive dessication?
Which microorganisms can survive dessication?
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Which group of organisms prefers temperatures above 45°C?
Which group of organisms prefers temperatures above 45°C?
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Which hyperthermophile can survive above 100°C?
Which hyperthermophile can survive above 100°C?
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What is the optimal pH range for most bacteria?
What is the optimal pH range for most bacteria?
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Which type of pressure affects microbial growth?
Which type of pressure affects microbial growth?
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Which of the following organisms prefers high salt concentrations?
Which of the following organisms prefers high salt concentrations?
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Which hyperthermophile can survive above 100°C?
Which hyperthermophile can survive above 100°C?
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Which of the following is NOT a factor affecting microbial growth?
Which of the following is NOT a factor affecting microbial growth?
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Study Notes
- In vitro means within glass.
- In vivo means within the living.
- Gravity is NOT a factor affecting microbial growth.
- Dessication is the process of complete drying.
- Bacterial endospores, fungi, viruses, and algae can survive dessication.
- Thermophiles prefer temperatures above 45°C.
- Strain 121 is a hyperthermophile that can survive above 100°C.
- The optimal pH range for most bacteria is 6.5 - 7.5.
- Osmotic pressure affects microbial growth.
- Halophiles prefer high salt concentrations.
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