Unit 5: Classification and Kingdoms Viruses. Viruses Viruses: infectious particles made up of nucleic acid, protein coat, and sometimes lipids Viruses:
Cells The Basic Unit of Life. Are all Cells Alike? All living things are made up of cells. Some organisms are made of only one cell. Other organisms are.
Viruses. Virus – non-cellular particle made up of genetic material and protein. Reproduce only by infecting living cells. TMV – tobacco mosaic virus –
