Chapter 19 VIRUSES AND SIMPLE INFECTIOUS AGENTS. 1) 1892, use porcelain filter to filterize tobacco leaves extrat filterable agent 2) 1898, Martinus.
Virus & Bacteria Unit. Part 1: Viruses Big Idea: VIRUSES ARE NOT LIVING BECAUSE THEY DON’T FULFILL ALL THE CHARACTERISTICS OF LIVING THINGS.
Chapter 18: Viruses and Bacteria
