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Questions and Answers
What is a characteristic feature of nutrient broths used in microbiological culture?
What is a characteristic feature of nutrient broths used in microbiological culture?
- They provide all essential elements for the growth of most bacteria. (correct)
- They are primarily used for the culture of small plants.
- They are designed to promote the growth of specific microorganisms.
- They contain selective growth compounds to control bacterial growth.
Which of the following statements about agar plates is true?
Which of the following statements about agar plates is true?
- Agar plates are primarily liquid mediums without solid components.
- Agar plates are only used for growing small plants.
- Agar plates can include antibiotics to create selective media. (correct)
- Agar plates are always non-selective in nature.
In microbiology, what distinguishes microbiological culture from cell culture?
In microbiology, what distinguishes microbiological culture from cell culture?
- Microbiological culture supports the growth of microorganisms while cell culture supports cells. (correct)
- Microbiological culture requires solid media exclusively.
- Microbiological culture involves growing only plant cells.
- Microbiological culture is utilized solely for bacterial growth.
What is the typical composition of nutrient broths in microbiological culture?
What is the typical composition of nutrient broths in microbiological culture?
What role do selective growth compounds play in culture media?
What role do selective growth compounds play in culture media?
Flashcards
Culture Medium
Culture Medium
A liquid or gel used to grow microorganisms, cells, or small plants in a controlled environment.
Nutrient Broth
Nutrient Broth
Supportive liquid containing amino acids and nitrogen, ideal for general bacterial growth and storage in laboratories.
Agar Plate
Agar Plate
A flat, dish-shaped container filled with a gel-like medium used to grow microorganisms, often with a specific purpose.
Microbiological Culture
Microbiological Culture
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Cell Culture
Cell Culture
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Study Notes
Microbiology Culture Media
- Microbiology studies microorganisms, requiring controlled growth conditions.
- Culture media support microorganism or cell growth, can be liquid or gel.
- Two main types: cell culture and microbiological culture.
- Microbiological culture media types include:
Nutrient Broths
- Contain amino acids and nitrogen; may include other unknown compounds.
- Provide essential elements for bacterial growth.
- Non-selective, used for general bacterial cultivation and maintenance.
Agar Plates
- Petri plates with a growth medium (agar).
- Supports the growth of microbes or small plants (e.g., moss).
- Selective growth compounds (e.g., antibiotics) can be added.
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