Podcast
Questions and Answers
How are natural plasmids primarily found?
How are natural plasmids primarily found?
- In plants
- In bacteria and fungi (correct)
- In animals
- In viruses
How are non-transmissible plasmids (like cloning vectors) inserted into cells?
How are non-transmissible plasmids (like cloning vectors) inserted into cells?
- Through bacterial conjugation
- By naked DNA transmission
- By inducing host cells to take up the plasmid DNA (correct)
- Through natural transmission
What type of contact is required for natural transmission of plasmids?
What type of contact is required for natural transmission of plasmids?
- Cell-free contact
- Chemical contact
- Cell-to-cell contact (correct)
- Airborne contact
How does bacterial transformation differ from bacterial conjugation?
How does bacterial transformation differ from bacterial conjugation?
Which method requires weakening the host cell wall and/or membrane to allow DNA entry into the cell?
Which method requires weakening the host cell wall and/or membrane to allow DNA entry into the cell?
Why do cells without plasmids grow the fastest?
Why do cells without plasmids grow the fastest?
What determines the replication speed of a plasmid in a host cell?
What determines the replication speed of a plasmid in a host cell?
Which type of plasmids replicate independently of the host chromosome?
Which type of plasmids replicate independently of the host chromosome?
What characterizes conjugative plasmids?
What characterizes conjugative plasmids?
How do non-conjugative plasmids differ from transmissible plasmids?
How do non-conjugative plasmids differ from transmissible plasmids?
What effect does reducing antibiotic use have on the incidence of antibiotic-resistant bacteria?
What effect does reducing antibiotic use have on the incidence of antibiotic-resistant bacteria?
What is the primary function of the deg plasmid found in Pseudomonas?
What is the primary function of the deg plasmid found in Pseudomonas?
Which plasmid encodes gene products required for nitrogen fixation?
Which plasmid encodes gene products required for nitrogen fixation?
What is the main function of the R factor (RTF factor) plasmid in E.coli and Salmonella?
What is the main function of the R factor (RTF factor) plasmid in E.coli and Salmonella?
What is a common trait of transmissible plasmids like R factors?
What is a common trait of transmissible plasmids like R factors?
What is the significance of antibiotic resistance genes carried by plasmids?
What is the significance of antibiotic resistance genes carried by plasmids?
Where are many antibiotic resistance genes located within when carried by plasmids?
Where are many antibiotic resistance genes located within when carried by plasmids?
