Biology Chapter 1 Discussion Questions

Biology Chapter 1 Discussion Questions - Drew Rasmussen...

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Drew Rasmussen Matt Schmasow Biology 192 Lab January 26, 2011 Chapter 1: Kingdoms Archaebacteria and Bacteria: Discussion Questions 1. Bacterial cells are hyperosmotic to their surroundings and without the presence of a cell wall they would burst. 2. Domains are a relatively new category that allowed for the prokaryotes to be split into two groups: Archae and Bacteria. Currently the 3 domains are Archae, Bacteria, and Eukarya. With the exception of Domains, Kingdoms are the most broad grouping of organisms. Kingdoms include the 6 groups: Viridiplantae, Fungi, Animalia, Eubacteria and Archaebacteria. 3. Domain was recently added so that the prokaryotes could be split into two groups; Archae and Eukarya. This allowed for the lineages of the Archaebacteria to be placed in the Archae domain, and the Bacterial lineages to be placed in the domain Bacteria. 4. Rhizobium is a nitrogen fixing bacteria. This means that they fix the nitrogen within the soil into useable forms for plants.
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Biology Chapter 1 Discussion Questions - Drew Rasmussen...

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