Podcast
Questions and Answers
During lysogenic replication, infected host cells ____________.
During lysogenic replication, infected host cells ____________.
- immediately lyse after infection
- lose the ability to reproduce
- grow and reproduce normally for generations (correct)
- undergo rapid lysis after infection
What is the term used for temperate phages during their inactive state?
What is the term used for temperate phages during their inactive state?
- Transposon
- Prophage (correct)
- Plasmid
- Retrovirus
What happens during lysogenic conversion?
What happens during lysogenic conversion?
- Host cells become immune to viral infections
- Phages carry genes that alter host cell phenotype (correct)
- Phages are destroyed by the host cell
- Host cells replicate rapidly
Which type of phages exhibit the lysogenic replication cycle?
Which type of phages exhibit the lysogenic replication cycle?
What is the outcome of the lytic replication cycle in bacteriophages?
What is the outcome of the lytic replication cycle in bacteriophages?
Which term describes the pattern of virion abundance in the lytic cycle?
Which term describes the pattern of virion abundance in the lytic cycle?
What is a characteristic of Hepatitis B virus replication that distinguishes it from other DNA viruses of animals?
What is a characteristic of Hepatitis B virus replication that distinguishes it from other DNA viruses of animals?
How do ssDNA viruses like Parvoviruses ensure their replication?
How do ssDNA viruses like Parvoviruses ensure their replication?
Which type of viral RNA can serve as mRNA during replication?
Which type of viral RNA can serve as mRNA during replication?
In the synthesis of RNA viruses of animals, what characteristic distinguishes retroviruses?
In the synthesis of RNA viruses of animals, what characteristic distinguishes retroviruses?
What is the cellular location for the synthesis of viral proteins in animal viruses?
What is the cellular location for the synthesis of viral proteins in animal viruses?
Why can negative-sense (−) viral RNA not be directly translated?
Why can negative-sense (−) viral RNA not be directly translated?
How are prion diseases typically transmitted?
How are prion diseases typically transmitted?
What is a characteristic feature of spongiform encephalopathies caused by prions?
What is a characteristic feature of spongiform encephalopathies caused by prions?
Which statement about prions and sterilization procedures is true?
Which statement about prions and sterilization procedures is true?
Which of the following is NOT a prion disease?
Which of the following is NOT a prion disease?
Why is there no standard treatment for prion diseases?
Why is there no standard treatment for prion diseases?
Which type of animal viruses use their genomes as mRNA?
Which type of animal viruses use their genomes as mRNA?
Which type of animal viruses synthesize RNA to act as the template for new DNA?
Which type of animal viruses synthesize RNA to act as the template for new DNA?
Which type of animal viruses synthesize DNA from viral RNA by viral reverse transcriptase?
Which type of animal viruses synthesize DNA from viral RNA by viral reverse transcriptase?
Which type of animal viruses use the positive strand of their genome as mRNA?
Which type of animal viruses use the positive strand of their genome as mRNA?
Which type of animal viruses synthesize a complementary strand of DNA to act as a template for synthesis in the nucleus?
Which type of animal viruses synthesize a complementary strand of DNA to act as a template for synthesis in the nucleus?
Which type of animal viruses use a DNA intermediate transcribed by viral reverse transcriptase as a template to produce viral genomes?
Which type of animal viruses use a DNA intermediate transcribed by viral reverse transcriptase as a template to produce viral genomes?
What is the term for the mass of neoplastic cells that result from uncontrolled cell division in multicellular animals?
What is the term for the mass of neoplastic cells that result from uncontrolled cell division in multicellular animals?
Which of the following environmental factors can contribute to the uncontrolled activation of oncogenes?
Which of the following environmental factors can contribute to the uncontrolled activation of oncogenes?
What percentage of human cancers may be caused by viruses?
What percentage of human cancers may be caused by viruses?
What is the term for genes that promote cell growth and division, which can lead to cancer when uncontrolled?
What is the term for genes that promote cell growth and division, which can lead to cancer when uncontrolled?
Which of the following is NOT an environmental factor that can contribute to the activation of oncogenes?
Which of the following is NOT an environmental factor that can contribute to the activation of oncogenes?
What is the term for genes that inhibit cell division, which can be 'turned on' to prevent unlimited division?
What is the term for genes that inhibit cell division, which can be 'turned on' to prevent unlimited division?
