Podcast
Questions and Answers
Which mechanism involves DNA transfer from the environment into bacteria?
Which mechanism involves DNA transfer from the environment into bacteria?
- Transformation (correct)
- Transduction
- Binary fission
- Conjugation
Which of the following is NOT a mechanism of genetic exchange in bacteria?
Which of the following is NOT a mechanism of genetic exchange in bacteria?
- Replication (correct)
- Conjugation
- Transformation
- Transduction
What did Joshua Lederberg and Edward Tatum demonstrate in 1946?
What did Joshua Lederberg and Edward Tatum demonstrate in 1946?
- Bacteria cannot exchange genetic material
- Bacteria can reproduce only by simple binary fission
- Bacteria can only reproduce by budding
- Bacteria can transfer and recombine genetic information (correct)
What is more frequent for some bacteria than for others?
What is more frequent for some bacteria than for others?
What is one key difference between genetic exchange in bacteria and sexual reproduction in diploid eukaryotes?
What is one key difference between genetic exchange in bacteria and sexual reproduction in diploid eukaryotes?
What is the process in which recipient cells acquire genes from free DNA molecules in the surrounding medium called?
What is the process in which recipient cells acquire genes from free DNA molecules in the surrounding medium called?
Which process involves the transfer of a plasmid from one bacterium to another?
Which process involves the transfer of a plasmid from one bacterium to another?
Which of the following species is NOT mentioned as an example of competent bacteria in the text?
Which of the following species is NOT mentioned as an example of competent bacteria in the text?
What plays an important role in the initial identification of DNA as the genetic material?
What plays an important role in the initial identification of DNA as the genetic material?
In bacterial transformation, what happens when a dead bacterium releases DNA fragments into the environment?
In bacterial transformation, what happens when a dead bacterium releases DNA fragments into the environment?
Which cycle of viral replication involves the integration of viral DNA into the host genome?
Which cycle of viral replication involves the integration of viral DNA into the host genome?
How can genes be mapped in bacteria according to the text?
How can genes be mapped in bacteria according to the text?
