ARAB 1101 Chapter : Chapter 19 2

1. how are the different methods of nutrition represented amongthe various kingdoms? Domains?

2. Why did biologist create the 3 domain classifications

1. What are protein domains?
2. Why are the same protein domains found in many different species?
3. How does a multiple sequence alignment allow you to identify domains?
4. If two proteins share a domain, does that make them homologs? Why or why not?

Chapter 19:Systematics: Seeking Order Amid Diversity

What are three domains of life?

Bacteria, Archaea, and Eukarya

What are the eight major categories of classification, going from the most general to the most specific?

Using Figure 19-6, what are the four major kingdoms in the Domain Eukarya?

Chapter 20: The Diversity of Prokaryotesand Viruses

How do members of the domains Bacteria and Archaea differ from each other?

How do bacteria affect humans, postively and negativley?