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Prions do not multiply in host cells in the same way that viruses or bacteria do. Instead, prions replicate by inducing misfolding of normal proteins in the host, leading to a cascade of misfolded proteins that can aggregate into plaques. This abnormal protein folding and aggregation can damage nerve cells and lead to neurodegenerative diseases such as Creutzfeldt-Jakob disease.
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Is a virus a prion?
No, a virus is not a prion. Prions are misfolded proteins that can cause other proteins to misfold in a similar way, leading to diseases like mad cow disease. Viruses, on the other hand, are infectious agents that require a host cell to replicate and cause infection.
Which of these is an infectious protein viroid vector virus prion?
A prion is an infectious protein that can cause misfolding of normal proteins in the brain, leading to neurodegenerative diseases like Creutzfeldt-Jakob disease. Viroids are infectious agents made up of short, circular RNA molecules that can infect plants. A vector is an organism that can transmit a pathogen from one host to another, most commonly insects. Viruses are infectious agents that require a host cell to replicate and can cause a wide range of diseases in plants, animals, and humans.
Type of virus that begins to multiply immediately after it enters a cell?
A type of virus that begins to multiply immediately after entering a cell is called a lytic virus. These viruses hijack the host cell's machinery to replicate themselves quickly, leading to the destruction of the host cell as new virions are released. This rapid replication cycle is a characteristic feature of lytic viruses.
Why Once a prion enters a nerve cell it essentially?
Once a prion enters a nerve cell, it induces abnormal conformational changes in normal proteins, particularly prion proteins (PrP). This misfolding leads to the aggregation of proteins, disrupting cellular function and resulting in neurodegeneration. The accumulation of these misfolded proteins can also trigger a cascade of cellular stress and death, ultimately contributing to the characteristic symptoms of prion diseases.
How do prions reproduce?
They don't quite 'reproduce', propagate would be closer to the mark. Prions are 'rogue' proteins, versions of naturally occurring proteins with a different 3D structure. They replicate in living host .
Do Most DNA viruses multiply in the host cell's cell membrane?
No, DNA viruses multiply in the host cell's nucleus, while most RNA viruses multiply in the host cell's cytoplasm
Where does a virus multiplied?
Viruses can only multiply (reproduce) within a host cell. The type of host cell is dependent on the virus' host range.
What are the two ways a virus multiplies?
A bacteriophage ( virus that infect bacteria) can multiply in a cell by two ways:lytic and lysogenic cycle.In lytic cycle, the phage DNA enters the cell, replicate and assembled within the cell and released outside by rupturing the host. It continues to invade the other bacteria.In case of lysogenic cycle the phage DNA once it enter the host cell gets integrated into the host genome and multiply along with host DNA. It remains latent. Upon proper induction, it undergoes lytic cycle again.The viruses that multiply by integrating into the host genome are widely used in gene therapy.
Is a virus a prion?
No, a virus is not a prion. Prions are misfolded proteins that can cause other proteins to misfold in a similar way, leading to diseases like mad cow disease. Viruses, on the other hand, are infectious agents that require a host cell to replicate and cause infection.
How virtulent phages can multiply?
Virulent (virtulent) phages multiply by first attaching itself to a host cell and then absorbing it. Next, it injects its own DNA and the host eventually bursts and more phages present.
Which of these is an infectious protein viroid vector virus prion?
A prion is an infectious protein that can cause misfolding of normal proteins in the brain, leading to neurodegenerative diseases like Creutzfeldt-Jakob disease. Viroids are infectious agents made up of short, circular RNA molecules that can infect plants. A vector is an organism that can transmit a pathogen from one host to another, most commonly insects. Viruses are infectious agents that require a host cell to replicate and can cause a wide range of diseases in plants, animals, and humans.
Why is the cell invaded by the virus called a host cell?
The cell invaded by the virus is called a host cell because it provides the environment and resources necessary for the virus to replicate and multiply. The virus uses the host cell's machinery to produce more viruses, ultimately leading to the destruction of the host cell.
Type of virus that begins to multiply immediately after it enters a cell?
A type of virus that begins to multiply immediately after entering a cell is called a lytic virus. These viruses hijack the host cell's machinery to replicate themselves quickly, leading to the destruction of the host cell as new virions are released. This rapid replication cycle is a characteristic feature of lytic viruses.
Why does viruses act like a parasite and find a host cell?
Viruses need a host cell to replicate and multiply because they lack the cellular machinery for these processes. By hijacking the host cell's machinery, viruses can produce more viral particles and continue their infectious cycle. This allows viruses to thrive and spread within a host organism.
Why Once a prion enters a nerve cell it essentially?
Once a prion enters a nerve cell, it induces abnormal conformational changes in normal proteins, particularly prion proteins (PrP). This misfolding leads to the aggregation of proteins, disrupting cellular function and resulting in neurodegeneration. The accumulation of these misfolded proteins can also trigger a cascade of cellular stress and death, ultimately contributing to the characteristic symptoms of prion diseases.
How does the virus Ebola multiply?
Yes. Like all viruses, it goes inside a host cell and replicates itself.
How do prions reproduce?
They don't quite 'reproduce', propagate would be closer to the mark. Prions are 'rogue' proteins, versions of naturally occurring proteins with a different 3D structure. They replicate in living host .
