BIMM 120 Lecture10.TrophicDynamics.050311

BIMM 120 Lecture10.TrophicDynamics.050311 - HW#1 and...

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Unformatted text preview: HW#1 and Midterm scores are available on WebCT... BIMM 120 Announcements BIMM 120 Announcements 50 100 150 200 250 34 35.6 37.2 38.8 40.4 42 43.6 45.2 46.8 48.4 50 Scores (bin width = 1.6 pts) Number of scores / bin Homework #1 Scores Homework #1 Scores average: 48.34 (96.7%) stdev: 2.39 (4.8%) median: 49 count: 384 max: 50 min: 34 mode: 50 Number of scores / bin Midterm Scores Midterm Scores average: 145.83 (73%) stdev: 26.26 (13.1%) median: 152 count: 386 max: 196 min: 56 mode: 156 10 20 30 40 50 60 70 80 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 Scores (bin width = 10 pts) BIMM 120 BIMM 120 Lecture 10 Lecture 10 Microbial Trophic Dynamics: Carbon & Energy Tuesday May 03, 2011 Carbon Energy Electrons T h e C u r r e n c i e s o f L i f e 16S 16S rRNA rRNA gene sequence phylogeny gene sequence phylogeny taxonomic classification of Bacteria & Archaea taxonomic classification of Bacteria & Archaea Certain conserved physiological and metabolic characteristics Certain conserved physiological and metabolic characteristics are also diagnostic of particular microbial groups are also diagnostic of particular microbial groups Mechanism of energy conservation C, N, S, P utilization Growth factor requirements Extracellular enzyme production Microbial Diversity Microbial Diversity Phylogenetic/Molecular Diversity: A B C D E Morphological/Phenotypic Diversity: Physiological/Ecological Diversity: * * Phenotypic Characteristics of Taxonomic Value Phenotypic Characteristics of Taxonomic Value Resources & conditions that govern Resources & conditions that govern microbial growth in nature microbial growth in nature Metabolism Metabolism Physiology Physiology tasty eats Experimentation time Abs 600 nutrients / nutrients / hv hv / O / O 2 / trace elements / trace elements species D species B species A species C species E Genomes Metabolism ...how an organism makes a living... Introduction to Microbial Nutrition Introduction to Microbial Nutrition Nutritional considerations- Macronutrients- Trace elements- Cofactors & Vitamins Laboratory-based Culture media- Defined vs Complex media Introduction to Simple Energetics- Oxidation-Reduction Reactions- NAD coenzyme electron carriers- Energy-rich compounds Overview of Microbial Trophic Dynamics- Accessing energy sources - Siderophores Microbial Physiology and Nutrition Microbial Physiology and Nutrition basic ingredients basic ingredients Carbon Energy Electrons m a c r o m o l e c u l a r s y n t h e s i s Nucleic Acids...
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BIMM 120 Lecture10.TrophicDynamics.050311 - HW#1 and...

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