Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
Which of the following is true about anaerobes?
Which of the following is true about anaerobes?
- They are not present in seemingly aerobic conditions
- They obtain energy through fermentation and use inorganic compounds as a terminal electron acceptor
- They possess catalase, superoxide dismutase, and peroxidase enzymes
- They outnumber aerobes in the intestines (correct)
Which of the following is a characteristic of obligate aerobes?
Which of the following is a characteristic of obligate aerobes?
- They use organic compounds as a terminal electron acceptor
- They require oxygen as a terminal electron acceptor (correct)
- They can grow in the presence or absence of oxygen
- They obtain energy through fermentation
What is the estimated number of anaerobes in the colon per gram?
What is the estimated number of anaerobes in the colon per gram?
- 105/ml
- 1000 times > aerobes
- 1011/gm (correct)
- 108/ml
Which of the following is a characteristic of facultative anaerobes?
Which of the following is a characteristic of facultative anaerobes?
Signup and view all the answers
Why are anaerobes susceptible to oxygen derived free radicals?
Why are anaerobes susceptible to oxygen derived free radicals?
Signup and view all the answers
Which of the following is a characteristic of obligate anaerobes?
Which of the following is a characteristic of obligate anaerobes?
Signup and view all the answers
Which of the following habitats has the highest number of anaerobes compared to aerobes?
Which of the following habitats has the highest number of anaerobes compared to aerobes?
Signup and view all the answers
Which of the following is NOT a reason why oxygen is toxic to anaerobes?
Which of the following is NOT a reason why oxygen is toxic to anaerobes?
Signup and view all the answers
Which of the following is a characteristic of facultative anaerobes?
Which of the following is a characteristic of facultative anaerobes?
Signup and view all the answers
What is the estimated number of anaerobes in the small intestine per milliliter?
What is the estimated number of anaerobes in the small intestine per milliliter?
Signup and view all the answers
