Podcast
Questions and Answers
Which type of bacteria can grow in the presence or absence of oxygen?
Which type of bacteria can grow in the presence or absence of oxygen?
- Obligate anaerobes
- Aerotolerant anaerobes
- Microaerophilic bacteria
- Facultative anaerobes (correct)
Which type of bacteria require low concentrations of oxygen to grow?
Which type of bacteria require low concentrations of oxygen to grow?
- Microaerophilic bacteria (correct)
- Obligate anaerobes
- Aerotolerant anaerobes
- Facultative anaerobes
Which bacteria can't use oxygen but can tolerate its presence?
Which bacteria can't use oxygen but can tolerate its presence?
- Aerotolerant anaerobes (correct)
- Obligate anaerobes
- Facultative anaerobes
- Microaerophilic bacteria
Which bacteria require higher concentrations of CO2 in the atmosphere surrounding their culture?
Which bacteria require higher concentrations of CO2 in the atmosphere surrounding their culture?
Which basic chemical reactions are involved in bacterial metabolism?
Which basic chemical reactions are involved in bacterial metabolism?
What is bacterial growth defined as?
What is bacterial growth defined as?
During binary fission, what is the first step that occurs?
During binary fission, what is the first step that occurs?
Which method is used to measure bacterial growth by counting the number of cells seen under a microscope?
Which method is used to measure bacterial growth by counting the number of cells seen under a microscope?
What does generation time refer to in bacterial growth?
What does generation time refer to in bacterial growth?
Which factor regulates bacterial growth in a lab setting?
Which factor regulates bacterial growth in a lab setting?
What is the purpose of culture media in bacterial growth?
What is the purpose of culture media in bacterial growth?
Where do psychrotrophs thrive and are responsible for most low-temperature food spoilage?
Where do psychrotrophs thrive and are responsible for most low-temperature food spoilage?
Which microbe group prefers an optimum temperature commonly around 37 ℃?
Which microbe group prefers an optimum temperature commonly around 37 ℃?
Where can extreme thermophiles (hyperthermophiles) be found?
Where can extreme thermophiles (hyperthermophiles) be found?
At which pH range do neutrophiles prefer to grow?
At which pH range do neutrophiles prefer to grow?
Which microbe produces lactic acid and tolerates mild acidity?
Which microbe produces lactic acid and tolerates mild acidity?
What is the optimum temperature for thermophiles?
What is the optimum temperature for thermophiles?
What is the main purpose of bacterial metabolism?
What is the main purpose of bacterial metabolism?
What is the primary source of energy for microorganisms in catabolism?
What is the primary source of energy for microorganisms in catabolism?
Which process involves the gain of hydrogens and/or electrons?
Which process involves the gain of hydrogens and/or electrons?
How do bacteria typically break down nutritive material in catabolism?
How do bacteria typically break down nutritive material in catabolism?
What does anabolism primarily involve?
What does anabolism primarily involve?
Which of the following is an end product resulting from fermentation in bacterial metabolism?
Which of the following is an end product resulting from fermentation in bacterial metabolism?
What is the role of enzymes in reduction-oxidation reactions?
What is the role of enzymes in reduction-oxidation reactions?
In a redox reaction, the substance that gets oxidized is known as:
In a redox reaction, the substance that gets oxidized is known as:
Which of the following is NOT an example of a metallic cofactor involved in redox reactions?
Which of the following is NOT an example of a metallic cofactor involved in redox reactions?
What is the primary function of oxidative phosphorylation in cellular respiration?
What is the primary function of oxidative phosphorylation in cellular respiration?
What characterizes organism that can carry out aerobic respiration?
What characterizes organism that can carry out aerobic respiration?
Where does the electron transport system and oxidative phosphorylation occur in bacteria?
Where does the electron transport system and oxidative phosphorylation occur in bacteria?
