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What has the author L H Collier written?
L. H. Collier has written: 'Human virology' -- subject(s): Medical virology, Methods, Microbiology, Pathogenicity, Virology, Virus Replication, Virus diseases, Viruse Replication, Viruses
What are properties of viruses?
viruses are non cellular , they have no sexual or asexual reproduction they reproduce by replication
What are two ways to classify viruses?
Viruses can be classified based on their structure (DNA or RNA, enveloped or non-enveloped) and their method of replication (lytic or lysogenic life cycles).
What is a virus replication that includes the lysogenic cycle?
temperate viruses
What is viral replication?
Viral replication is the process of creating viruses. This can only occur once a virus has infected a cell - because viruses cannot replicate by themselves (they need to use a host cell).
What is need for viruses to grow?
They need a living cell. It is essential for replication.
What is exogenous virus?
I believe, exogenous virus exist as: "replication competent viruses that are transmitted horizontally in mice, while endogenous viruses exist as germline sequences that are usually not replication competent by may recombine with exogenous viruses during the course of infection." This would refer to exogenous retroviruses.
Why do viruses replicate?
Viruses replicate to produce more copies of themselves and spread to new host cells or individuals. This replication process is crucial for the survival and propagation of viruses in their environment.
When do viruses evolve?
Viruses evolve primarily when they replicate and undergo mutations during their replication process. This can occur in response to environmental pressures, such as host immune responses or antiviral treatments. Additionally, viruses can exchange genetic material with other viruses through reassortment or recombination, leading to significant evolutionary changes. Overall, the rapid replication rates and high mutation frequencies of viruses facilitate their evolutionary adaptability.
What must viruses rely on for replication?
they must find a host cell in the infected body and take it over to force it to replicate
Why do people sometimes say that viruses lack independent replication?
Viruses can not replicate without a living host cell. This is one reason that they are not considered to be alive.
What is the big difference between viruses and bacteria?
Viruses are replication parasites that can do nothing until they take over a living cell. Bacteria are living cells.
