microbiology

You are responsible for chapter 4 & 5.

Choose 1 of the following questions to answer by day 3 (Wednesday) and include 2 references (in APA format). Your post should be at least 250 words. Please remember to answer to 2 of your classmates' discussions (on 2 separate days) by Saturday.  The reply to your classmates should be at least 100 words each.  The references are not included in the word count!

DQ 1

What are viruses? What are some properties that differentiate viruses from bacteria? List at least 3 viruses and the type of diseases that they cause.