1. Viruses What are the 3 main characteristics of viruses? What are the 3 components of a virus’s structure? What is important about the viral envelope? The shapes of viruses are _____, _____, and _____ (which only infect bacteria). What are the 3 ways a virus can infect a host cell and what happens in each process?

2. Viruses can reproduce in 2 ways known as ___ and ____ cycles. What happens in the virulent phase? What happens in the temperate phase? If a virus does not have its own DNA, what happens when it infects a host (2 possibilities)? What ways do we treat a viral infection since there is no cure? What is a prion?

3. Bacteria What are the 4 ways in which a bacteria can be classified? What Domains are bacteria classified in? – What is unique about these domains? What characteristic makes a bacteria resistant to penicillin? What do pili aid in? A bacterium will produce ____ in unfavorable conditions to enable survival.

4. What two ways do bacteria reproduce? What are the ways a bacteria can obtain food? What are the 3 ways bacteria can respire and what do they mean? How does bacteria differ from protists? In what ways can bacteria harm cells? What methods are used to destroy bacteria?