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Viruses are malicious software (malware) in which their sole purpose is to replicate and infect non-infected computers. Their are many mediums to which a virus can infect a computer, most commonly through the internet and email attachments.
When viruses infect a computer, it attaches itself to a "host" file (hence the name virus because it acts like a real world virus). Next, it injects its code into the host file so that whenever that infected file is run, the virus executes first and then the actual file starts. The "payload" is the official term to the effects a computer virus has on a PC.
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What is the collar function in virus?
The collar function in a virus helps the virus attach to host cells by recognizing specific receptors on the cell surface. This attachment is necessary for the virus to enter the host cell and infect it. The collar function can vary between different types of viruses and plays a crucial role in determining host specificity.
What is the function of the capsomere?
Capsomeres are protein subunits that make up the capsid, which is the protein coat surrounding a virus. They help in the assembly of the capsid structure and protect the genetic material of the virus. Capsomeres also aid in the attachment of the virus to host cells during infection.
How can a virus destroy cells?
A virus can destroy cells by invading them, using the cellular machinery to replicate, and eventually causing cell death. This process can disrupt normal cell function and lead to tissue damage and inflammation.
What does neuraminidase do for a virus?
Neuraminidase is an enzyme found on the surface of some viruses, such as the influenza virus. Its main function is to cleave sialic acid residues from host cells, which helps the virus to release from infected cells and spread to other cells in the body. Inhibiting neuraminidase activity can prevent viral replication and spread.
What is the function of the neck of a virus?
The neck of a virus, also known as the neck domain, plays a role in attaching the virus to host cells. It contains specific proteins or structures that interact with receptors on the surface of host cells, facilitating viral entry into the host cell. This attachment process is crucial for initiating viral infection.
