What is a biofilm?

Chapter 6 - Microbial Growth Microbiology

Flashcard
•
Biology
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A biofilm is a community of microorganisms that attach to surfaces and are embedded in a self-produced matrix of polymeric compounds, often forming a protective layer.
2.
FLASHCARD QUESTION
Front
What are mesophiles?
Back
Mesophiles are microorganisms that have an optimum growth temperature between 25-40°C, commonly found in moderate temperature environments.
3.
FLASHCARD QUESTION
Front
What is selective media?
Back
Selective media is a type of growth medium that suppresses the growth of certain types of bacteria while allowing others to grow, such as MacConkey agar for Gram-negative bacteria.
4.
FLASHCARD QUESTION
Front
What are obligate anaerobes?
Back
Obligate anaerobes are bacteria that cannot survive in the presence of oxygen and find it toxic.
5.
FLASHCARD QUESTION
Front
What is a facultative anaerobe?
Back
Facultative anaerobes are bacteria that can grow in both the presence and absence of oxygen, but prefer to use oxygen when available.
6.
FLASHCARD QUESTION
Front
What is differential media?
Back
Differential media is a type of growth medium that allows for the differentiation of microorganisms based on their biological characteristics.
7.
FLASHCARD QUESTION
Front
What is the significance of temperature in microbial growth?
Back
Temperature affects enzyme activity and metabolic processes in microbes, influencing their growth rates and survival.
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