Viruses. Viruses -The Boundary of Life. At the boundary of life, between the molecules (which are not alive) and the cells (which are), lie the viruses These twilight creatures are parasites responsible for causing many diseases in living things
lie the viruses
Once inside the host cell the virus will either go into a
destroys the host cell during reproduction.
a type of partnership with the cell before it destroys the host cell later (parasite)