bio notes - Prokaryotes: Lecture Outline 1. 2. 3. 4....

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Prokaryotes: Lecture Outline 1. Importance of studying prokaryotes 2. Prokaryote features 3. Prokaryote diversity and phylogenetics 4. Roles of prokaryotes 5.1 Prokaryotes are Important Prokaryote biomass is 10x greater than eukaryote biomass. Prokaryotes Eukaryotes Total Global Biomass Henderson mine (2 mi) Single handful of soil -- 5.2 Prokaryotes are Important Some statistics about abundance: Your mouth contains more prokaryotes than the number of people who have ever lived. Ever. Human bodies have many times more prokaryotic cells than human cells. 5.3
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Prokaryotes are Important • Prokaryotes cause half of all known human diseases •E x am p l e s : t u b e r c u l o s i s , plague, salmonella, anthrax, meningitis, botulism, cholera, diphtheria, strep throat, leprosy, pneumonia, scarlet fever, typhoid, urinary tract infections, Lyme Disease Meningitis: Leprosy: 5.4 “Prokaryote” Karyon – Greek for “Nut”
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Prokaryotic adaptation 1) Exponential population growth –1 to 3 hours! 2) Endospores (resistant stages)
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bio notes - Prokaryotes: Lecture Outline 1. 2. 3. 4....

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