Please Please Please HELP 50 points! The article talks about two main ways to define life. One definition focuses on self-organization and self-maintenance. The other definition focuses on self-replication and evolution. Which definition of life are viruses definitively excluded from? Why are they excluded from this definition? How does the author defend the exclusion of viruses from the other definition as well?

Some obligate intracellular bacteria lack the ability to propagate without a host cell. Do these bacteria meet the definitions of life described in part A? Why or why not? How do these bacteria differ from viruses?

How many genes are shared by all viruses? Does this information support or refute the idea that viruses have a single, common origin?

Some viruses contain genes involved in protein synthesis as well as energy metabolism even though viruses can’t perform these processes. Where does the article state that these genes come from? Does this information support or refute the idea that viruses predate cells?

Article: max2.ese. u-psud. fr/publications/2009-NRM-viruses. pdf