Podcast
Questions and Answers
What process is described when mature viruses burst out of the host cell to infect new cells?
What process is described when mature viruses burst out of the host cell to infect new cells?
- Lysogenic conversion
- Lysogeny
- Phage integration
- Lysis (correct)
During the lysogenic cycle, what does the phage genome do inside the bacterial host cell?
During the lysogenic cycle, what does the phage genome do inside the bacterial host cell?
- Integrates into the bacterial chromosome (correct)
- Forms new viruses
- Remains inactive outside the cell
- Kills the host cell
What term is used for a bacterial host containing an integrated phage genome called a prophage?
What term is used for a bacterial host containing an integrated phage genome called a prophage?
- Virulent host
- Lysogen (correct)
- Temperate host
- Phage converter
What is the name of the process where a bacterium is infected by a temperate phage?
What is the name of the process where a bacterium is infected by a temperate phage?
What triggers the excision of the prophage from the host chromosome?
What triggers the excision of the prophage from the host chromosome?
Which term describes the situation when phage-encoded toxin genes increase the bacterial virulence?
Which term describes the situation when phage-encoded toxin genes increase the bacterial virulence?
What characterizes a temperate bacteriophage?
What characterizes a temperate bacteriophage?
What type of phages are typically latent or inactive within the bacterial cell?
What type of phages are typically latent or inactive within the bacterial cell?
What happens during specialized transduction in bacteriophages?
What happens during specialized transduction in bacteriophages?
Which cycle describes the incorporation of phage DNA into the host genome?
Which cycle describes the incorporation of phage DNA into the host genome?
What can cause a latent phage to enter the lytic cycle?
What can cause a latent phage to enter the lytic cycle?
How does a temperate bacteriophage differ from a virulent bacteriophage?
How does a temperate bacteriophage differ from a virulent bacteriophage?
What is the major difference between the provirus stage and the prophage stage?
What is the major difference between the provirus stage and the prophage stage?
Which category of persistent infections involves the alteration of the host immune response?
Which category of persistent infections involves the alteration of the host immune response?
In persistent infections, what are the two primary categories mentioned?
In persistent infections, what are the two primary categories mentioned?
During the viral life cycle, what converts the single-stranded RNA genome into DNA?
During the viral life cycle, what converts the single-stranded RNA genome into DNA?
Which virus causes latent infections such as oral and genital herpes?
Which virus causes latent infections such as oral and genital herpes?
What happens to a virus in a persistent infection where it may remain silent or undergo productive infection without harming or killing the host?
What happens to a virus in a persistent infection where it may remain silent or undergo productive infection without harming or killing the host?