Host specificity of a virus can be attributed to a few different factors. One of these factors is a viral species ability to "hijack" a cells internal machinery and cause it to reproduce the genetic makeup and proteins which make it up. Many viruses then exit the cell (usually through destroying it) and may take a part of the cell's membrane with them as a sort of phospholipid coat. This membrane has all of the identifying proteins which enable our cells to recognize one another and serves viruses in the same manner.
the virus needs the host to reproduce!! : )
The host cell does not benefit from having a virus. The virus usually kills it.
The effects that the quokkapox virus has on the host is weakening the immune system. The other effect of the quokkapox virus is that the host will get pox lesions.
virus can't live outside host cell
Virus penetrates its genetic material into the host. The genome is then inserted randomly on a point of the host genome. Since it is an random event, it can block a pathway of that particular or cause any mutation due to the insertion of viral genome.
While we are constantly referring to bi-lateral specificity, as in the functions of Dna, here is a case where a virus offers out it's 'hand': it seems likely that it expects to reach for, find and attach to some outstretched Cell Membrane Component.
Viruses do not cause diseases in the host. Why? Well, the host is already causing the virus so it is IMPOSSIBLE for another virus to be cause in the host.
The virus attaches to the host cells membrane.
The virus isn't in the taxonomic system because there is an ongoing debate between many people on whether or not the virus is actually living or not, due to the fact that the virus has to rely on a host to reproduce.
the virus needs the host to reproduce!! : )
First the virus enters the host cell, then the virus' hereditary material come, then the host cells hereditary material becomes viral, then the host cell expands, and then it POPS!!!
The host cell does not benefit from having a virus. The virus usually kills it.
The virus attaches to the host cell, it takes over the functions of the host cell, and it eventually destroys it. If there was no host cell, the virus would die.
The effects that the quokkapox virus has on the host is weakening the immune system. The other effect of the quokkapox virus is that the host will get pox lesions.
Humans are the only known host of the measles virus.
The virus enters the host cell in the penetration phase.
virus can't live outside host cell