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Some viruses have a capsid with proteins that act as "docking stations" so that they can attach to host cells. Others without capsids also have a different type of protein that does the same thing.

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10y ago

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What is anti -viral protein?

Interleukin


What makes a viral capsid?

Protein of course :P


Where do viral particles get the materials for the protein - and nucleic acid - synthesis that they need to perform?

To carry out their Viral processes they 'utilize' the resources of The Host Cell.


When DNA from a virus is injected into a bacterium the bacterium produces viral protein?

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RNA is synthesized from viral DNA in an infected cell before protein synthesis begins?

Yes, during the viral life cycle, RNA is synthesized from viral DNA by a process called transcription. This RNA serves as the template for protein synthesis, which is carried out by the host cell's machinery. This process allows the virus to replicate and produce more viral particles.


Why do viruses depend in host cells?

Viruses are composed of protein and DNA. The DNA encodes the protein as well as the DNA for the virus. Viruses depend on host cells because they are incapable of reproducing themselves. They enter the host cell and the viral DNA is inserted into the host DNA. The virus then "hijacks" the host cells replication machinery to make more viral protein and viral DNA.


During viral protein synthesis what type of genetic molecule is used?

Messenger RNA


What virus is made up of only one protein?

Hepatitis B virus is made up of only one protein called the core protein, which forms the viral capsid.


Which substances cause noninfected cells to form an antiviral protein that slows or stops viral multiplication?

Interferon


What happens to the viral protein coat after the virus has infected a cell?

It is shed like any overcoat and recycled.


The substance that causes noninfected cells to form an antiviral protein is called?

Interferon is the substance that causes noninfected cells to form an antiviral protein. It is produced by the immune system in response to viral infections and helps neighboring cells defend against viral invaders.


What is function of the HA protein of influenza virus?

The HA protein of influenza virus mediates viral attachment and entry into host cells by binding to sialic acid receptors on the surface of the host cell. It is a key protein for viral infectivity and is also the primary target for neutralizing antibodies generated by the host immune system.