Lesson Overview Lesson Overview Studying the Human Genome Lesson Overview 20.1 Viruses.
Lingchong You Modeling T7 life cycle BME 265-05. March 31, 2005.
KEY CONCEPT Infections can be caused in several ways.
Viruses. 1.“Virus” is the Latin word for poison. 2. All viruses have one thing in common: They enter living cells and, once inside, use the machinery.
1. List three differences between gram + and gram - bacteria.