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Questions and Answers
What is the role of tail fibers in a bacteriophage?
What is the role of tail fibers in a bacteriophage?
- Form the hollow tube through which the phage genome is transferred
- Transfer the phage genome to the host cell
- Help in the replication of the phage genome
- Facilitate the attachment of the phage to the host cell (correct)
What characterizes a lysogenic life cycle of a bacteriophage?
What characterizes a lysogenic life cycle of a bacteriophage?
- The phage genome integrates into the bacterial chromosome (correct)
- It leads to the lysis of host bacteria
- It involves complete control over the host cellular mechanism
- Produce thousands of new phages which infect other bacteria nearby
What is the key difference between lytic and lysogenic cycles of a bacteriophage?
What is the key difference between lytic and lysogenic cycles of a bacteriophage?
- Lysogenic cycle does not kill the host bacteria, while lytic cycle leads to the death of the host cell (correct)
- Lysogenic cycle produces thousands of new phages, while lytic cycle establishes a dormant stage
- Lysogenic cycle involves phage replication, while lytic cycle integrates phage genome into bacterial chromosome
- Lysogenic cycle causes lysis of the host cell, while lytic cycle establishes a dormant stage
What is the main difference between the lysogenic and lytic cycles of viral replication?
What is the main difference between the lysogenic and lytic cycles of viral replication?
Why can't the host cell machinery differentiate between viral DNA and its own DNA during the lysogenic cycle?
Why can't the host cell machinery differentiate between viral DNA and its own DNA during the lysogenic cycle?
Why is the lytic cycle considered a major cause of high infectivity rates of viral diseases?
Why is the lytic cycle considered a major cause of high infectivity rates of viral diseases?
What is the major difference between the lytic and lysogenic cycles of viruses?
What is the major difference between the lytic and lysogenic cycles of viruses?
What is the function of tail fibers in a bacteriophage structure?
What is the function of tail fibers in a bacteriophage structure?
Why is it more likely for a lysogenic cycle to convert into a lytic one than vice versa?
Why is it more likely for a lysogenic cycle to convert into a lytic one than vice versa?
What is the next step after phage genome replication in the lytic cycle?
What is the next step after phage genome replication in the lytic cycle?
What is the role of endonucleases encoded by phage genomes during the lytic cycle?
What is the role of endonucleases encoded by phage genomes during the lytic cycle?
What triggers the transition from the lysogenic to the lytic cycle in a phage?
What triggers the transition from the lysogenic to the lytic cycle in a phage?
What is lysogenic conversion in a phage life cycle?
What is lysogenic conversion in a phage life cycle?
What happens upon induction of a prophage during the lysogenic life cycle?
What happens upon induction of a prophage during the lysogenic life cycle?
Which genes within a prophage can lead to lysogenic conversion?
Which genes within a prophage can lead to lysogenic conversion?
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