Some viruses are are round...
Some viruses, like influenza...
All viruses are...
Viruses are composed of...
Viruses cannot carry out...
The capside...
To reproduce, viruses...
When viruses reproduce inside a cell...
Nucleic acid
any vital functions by themselves.
is the genetic material and helps viruses to reproduce.
is a protein shell that protects the genetic material.
but they can have many different shapes.
they create all the viral components first and then they are all assembled to create a new virus.
have a viral envelope that protects them.
a capsid and nucleic acid.
must infect a cell.
parasites and need a host.
