Matching Pairs Match it!Online version Work in pairs. Take turns to start and finish the sentece. Be careful, you only have 2 attempts. by Àlex MT 1 Some viruses are are round... 2 To reproduce, viruses... 3 Nucleic acid 4 The capside... 5 Viruses cannot carry out... 6 Some viruses, like influenza... 7 Viruses are composed of... 8 When viruses reproduce inside a cell... 9 All viruses are... they create all the viral components first and then they are all assembled to create a new virus. a capsid and nucleic acid. have a viral envelope that protects them. but they can have many different shapes. parasites and need a host. is the genetic material and helps viruses to reproduce. any vital functions by themselves. is a protein shell that protects the genetic material. must infect a cell.