Podcast
Questions and Answers
What type of flagella arrangement does Escherichia coli have?
What type of flagella arrangement does Escherichia coli have?
- Peritrichous (correct)
- Amphitrichous
- Monotrichous
- Lophotrichous
Why is Escherichia coli considered to have a competitive growth advantage?
Why is Escherichia coli considered to have a competitive growth advantage?
- It lacks flagella
- It requires specific media for growth
- It can synthesize all 20 essential amino acids (correct)
- It has a slow generation time
Which of the following is NOT a characteristic of Escherichia coli?
Which of the following is NOT a characteristic of Escherichia coli?
- Most are harmless
- Can cause gastroenteritis
- Part of the normal microbiome
- Non-motile (correct)
What is the role of Escherichia coli in the host's body?
What is the role of Escherichia coli in the host's body?
In a bacterial population growing rapidly under ideal conditions, what type of growth curve would be observed?
In a bacterial population growing rapidly under ideal conditions, what type of growth curve would be observed?
What is the purpose of Mannitol Salt Agar in microbiology?
What is the purpose of Mannitol Salt Agar in microbiology?
What distinguishes Salmonella and Shigella from other members of the Enterobacteriaceae family on Hektoen agar?
What distinguishes Salmonella and Shigella from other members of the Enterobacteriaceae family on Hektoen agar?
What is the main purpose of enrichment media in microbiology?
What is the main purpose of enrichment media in microbiology?
What is the significance of blood agar in microbiology?
What is the significance of blood agar in microbiology?
Which type of media suppresses unwanted microbes and encourages the growth of desired ones?
Which type of media suppresses unwanted microbes and encourages the growth of desired ones?
How are mannitol fermenters distinguished from non-fermenters on Mannitol Salt Agar?
How are mannitol fermenters distinguished from non-fermenters on Mannitol Salt Agar?
Which type of media is designed to encourage the growth of specific organisms while inhibiting others?
Which type of media is designed to encourage the growth of specific organisms while inhibiting others?
What is the main purpose of enrichment media?
What is the main purpose of enrichment media?
Which agar is selective for staphylococci as it inhibits the growth of other bacteria?
Which agar is selective for staphylococci as it inhibits the growth of other bacteria?
What distinguishes differential media from other types of media?
What distinguishes differential media from other types of media?
A faecal specimen suspected to contain Salmonella would most likely be cultured using which type of media?
A faecal specimen suspected to contain Salmonella would most likely be cultured using which type of media?
Tetrathionate broth is an example of which type of media used for clinical diagnosis?
Tetrathionate broth is an example of which type of media used for clinical diagnosis?
