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no it cannot
false
Yes.It infects fungi,plants,animals and bacterias
Bacteriophage
Well, a virus refers both lysogenic and lytic varieties. A lentivirus is a family of viruses that follow the lysogenic model of infection where the genetic information of the virus is integrated into the host cell's genome. What makes the lentivirus useful as a vector in genetic research is that it is the only type of virus capable of penetrating the nucleus, that is, it can infect the host's genome at any point in the cell cycle where every other lysogenic virus can only infect during phases of the cell cycle that see the nucleus broken down.
viruses behave like dead particles out of the cell and in specific out its particular cell. Once inside its cell, the virus uses the cell's machinery to "come alive" it then begins to reproduce and infect other of the same type of cell.
The virus is build to only react when it comes in contact with a certain type of antigen, let's say the surface of a certain cell. The virus will then inject his RNA or DNA into the cell which gives the cell instructions to build more virus particles.
macro-virus
Macro-virus
No, a bacterium is a complete, albeit single-celled organism; as such it can locomote, reproduce, and perform the other functions common to independently living things. A virus, OTOH, is a strand of DNA incapable of reproducing on its own (to do that, it's got to invade/infect a host cell).
"Encephalitis" is not a type of cell, it is an inflammation of the brain, caused by either a virus or bacteria.
RNA or DNA depending on the type of virus.