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THESE ARE SOME OF THE MORE IMPORTANT PICTURES TAKEN FROM THE NOTES ON CH 19, CH 20, AND CH 21 for EXAM #1 BIOL 1002 Spring 2011 You can also use the web site below for review questions besides the 9 th edition MasteringBiology.com site: http://wps.prenhall.com/esm_audesirk_bloe_7/1,8753,1139971,.html Chapter 19: The Diversity of Prokaryotes and Viruses Relative Sizes of Microorganisms Eukaryotic cells (10100 m) Prokaryotic cells (0.210 m) cyanobacterium Viruses (0.050.2 m) Escherichia coli Staphylococcus 1 m Rank each of these in terms of size relative to eachother What are these? Viruses Come in a Variety of Shapes Examples of common viruses? Treating Diseases With Viruses Bacteriophages can treat bacterial diseases Rise in bacterial antibiotic resistance makes standard drugs less effective Bacteriophages specifically target host bacteria Bacteriophages are harmless to human body cells Bacteriophages Bacterial cell What are these specifically? What is a ghost? Where is the DNA in this picture? Bacterial or viral infections? HIV virus Unique type of virus: Lyse: cell pops open How is kuru transmitted? Spherical (cocci) Shape???... View Full Document

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