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Yes, a prophage replicates along with its host's DNA during the lysogenic cycle of a bacteriophage. When a bacteriophage infects a bacterial cell, it can integrate its genetic material into the host's genome, forming a prophage. As the host cell divides and replicates its DNA, the prophage is also copied and passed on to the daughter cells. This allows the viral genetic material to persist in the bacterial population without causing immediate lysis.
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What is a prophage made of?
A prophage is made up of proteins that replicate a virus within a cellular structure. The virus does not disrupt the cellular structure of the bacteria, and waits for the lytic cycle to begin so it can replicate.
What type of phage enters an inactive prophage stage?
A temperate phage is a type of phage that can enter an inactive prophage stage by integrating its DNA into the host cell's genome. In this stage, the prophage replicates along with the host cell's DNA and can be passed on to daughter cells during cell division.
What are temperate phages?
Temperate phages are bacteriophages that can follow two replication pathways: lytic and lysogenic. In the lytic cycle, they infect a bacterial host and replicate rapidly, causing cell lysis. In the lysogenic cycle, they integrate their DNA into the host genome, replicating along with the host without causing immediate cell lysis.
What is the viral DNA that has attached to a host cell's chromosomes and that is replicated with the chromosome's DNA?
The viral DNA that has integrated into a host cell's chromosome is called a provirus or prophage. This integrated viral DNA is replicated along with the host cell's DNA during cell division, allowing the virus to be passed on to daughter cells.
What happens to the host cell at the end of a lysogenic cycle?
At the end of the lysogenic cycle, the host cell typically remains intact and viable. The viral DNA is integrated into the host's genome as a prophage, allowing it to replicate along with the host's DNA during cell division. This can lead to the production of new viral particles later if the virus enters the lytic cycle, causing eventual cell lysis. However, during the lysogenic phase, the host cell continues to grow and divide without immediate harm.
What is a prophage made of?
A prophage is made up of proteins that replicate a virus within a cellular structure. The virus does not disrupt the cellular structure of the bacteria, and waits for the lytic cycle to begin so it can replicate.
Prophage occurs when?
A prophage occurs when a bacteriophage (a virus that infects bacteria) integrates its genetic material into the host bacterium's chromosome. This integrated viral DNA, called a prophage, can remain dormant and replicate along with the host's DNA during cell division. Under certain conditions, the prophage can become activated, excising itself from the bacterial chromosome and entering the lytic cycle, leading to the production of new viral particles and eventual lysis of the bacterial cell.
What type of phage enters an inactive prophage stage?
A temperate phage is a type of phage that can enter an inactive prophage stage by integrating its DNA into the host cell's genome. In this stage, the prophage replicates along with the host cell's DNA and can be passed on to daughter cells during cell division.
What is the phage DNA that is integrated into a host cell's chromosome is called a?
Phage DNA that is integrated into a host's cell chromosome is a bacteriophage. They behave as lytic or lysogenic. Lytic breaks open the host after replication, , lysogenic does not destroy the host.
What is the fate of the prophage during the lysogenic stage?
During the lysogenic stage, the prophage inserts its DNA into the host bacterium's chromosome and replicates along with the host DNA. It is passed down to daughter cells during replication, ensuring its persistence within the host genome. The prophage remains dormant until triggered to enter the lytic cycle by external factors.
What is a prophage-?
A prophage is a phage genome that is integrated into the DNA of a bacterial host and replicates along with the host's DNA. It remains dormant within the host cell until it is triggered to enter the lytic cycle, where it replicates and eventually lyses the host cell.
What are temperate phages?
Temperate phages are bacteriophages that can follow two replication pathways: lytic and lysogenic. In the lytic cycle, they infect a bacterial host and replicate rapidly, causing cell lysis. In the lysogenic cycle, they integrate their DNA into the host genome, replicating along with the host without causing immediate cell lysis.
What is the viral DNA that has attached to a host cell's chromosomes and that is replicated with the chromosome's DNA?
The viral DNA that has integrated into a host cell's chromosome is called a provirus or prophage. This integrated viral DNA is replicated along with the host cell's DNA during cell division, allowing the virus to be passed on to daughter cells.
What is viral DNA incorporated in bacterial DNA called?
Viral DNA incorporated in bacterial DNA is called a prophage.
Does a lysogenic virus inject their DNA into the host cell?
No, a lysogenic virus integrates its DNA into the host cell's genome instead of injecting it. This integrated viral DNA, called a prophage, replicates along with the host cell's DNA.
What happens to the host cell at the end of a lysogenic cycle?
At the end of the lysogenic cycle, the host cell typically remains intact and viable. The viral DNA is integrated into the host's genome as a prophage, allowing it to replicate along with the host's DNA during cell division. This can lead to the production of new viral particles later if the virus enters the lytic cycle, causing eventual cell lysis. However, during the lysogenic phase, the host cell continues to grow and divide without immediate harm.
What are two ways that phage can replicate in harmony with their host?
Phages can replicate in harmony with their host by entering a lysogenic cycle, where they integrate their DNA into the host genome and replicate passively with the host. Alternatively, phages can undergo a lytic cycle, where they replicate quickly and burst the host cell to release progeny phages without causing host cell death.
