Podcast
Questions and Answers
What is the name of the viral DNA when it integrates into the host bacterial chromosome?
What is the name of the viral DNA when it integrates into the host bacterial chromosome?
- Retroviral DNA
- Prophage (correct)
- Virulent DNA
- Rhabdoviral DNA
Which type of phages can remain dormant in the host cell until triggered by an environmental signal to switch to the lytic mode?
Which type of phages can remain dormant in the host cell until triggered by an environmental signal to switch to the lytic mode?
- Retroviruses
- Virulent phages
- Temperate phages (correct)
- Oncogenic phages
What enables viruses to propagate without killing the host cells during the lysogenic cycle?
What enables viruses to propagate without killing the host cells during the lysogenic cycle?
- Generation of active phages
- Ability to regenerate infected tissue
- Release of hydrolytic enzymes
- Integration of prophage into bacterial chromosome (correct)
Which enzyme transcribes an RNA template into a DNA copy in retroviruses?
Which enzyme transcribes an RNA template into a DNA copy in retroviruses?
What triggers the transition from the lysogenic cycle to the lytic cycle in temperate phages?
What triggers the transition from the lysogenic cycle to the lytic cycle in temperate phages?
Which type of viruses have the most complicated replicative cycles, involving reverse transcriptase?
Which type of viruses have the most complicated replicative cycles, involving reverse transcriptase?
How do bacteriophage viruses inject DNA into a bacterium?
How do bacteriophage viruses inject DNA into a bacterium?
What is the outcome of the lytic cycle in bacteriophages?
What is the outcome of the lytic cycle in bacteriophages?
How do phages replicate within a bacterium in the lysogenic cycle?
How do phages replicate within a bacterium in the lysogenic cycle?
What do we call phages that can use both lytic and lysogenic cycles for replication?
What do we call phages that can use both lytic and lysogenic cycles for replication?
Which type of phage replicates only through the lytic cycle?
Which type of phage replicates only through the lytic cycle?
What is the outcome of integration of phage DNA into the bacterial chromosome?
What is the outcome of integration of phage DNA into the bacterial chromosome?
Which of the following is true regarding viruses?
Which of the following is true regarding viruses?
Which component of the viral envelope membrane is of viral origin?
Which component of the viral envelope membrane is of viral origin?
What structure does the arrow point to in a virus?
What structure does the arrow point to in a virus?
What is a characteristic of virulent phages?
What is a characteristic of virulent phages?
What term describes a phage that integrates its DNA into the host genome?
What term describes a phage that integrates its DNA into the host genome?
Which process involves a virus remaining dormant within a host cell for an extended period?
Which process involves a virus remaining dormant within a host cell for an extended period?
