PO_Lecture_05 - 1 Lecture 5 Lecture 5 Microscopy Protists...

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Unformatted text preview: 1 Lecture 5 Lecture 5 Microscopy Protists BBOM 11e Sec. 14.1-14.5, 14.9-14.13 BBOM 11e Sec. 4.1 - 4.3 Bacteria and Archaea Review Macromolecules: Structure and function Read: BBOM 11e Chapter 3 Prokaryotic Microorganisms (Bacteria and Archaea) Prokaryotic Microorganisms (Bacteria and Archaea) 2 Size Range of Prokaryotic Microorganisms (Bacteria and Archaea) Size Range of Prokaryotic Microorganisms (Bacteria and Archaea) Smallest ~ 0.1-0.2 um Largest Known ~500-600 um Size Range of Most Bacterial & Archaeal Cells ~0.5-10.0 um Small Size: 0.5-10.0 um High S/V, capable of very rapid growth and high rates of metabolic activity. Absorptive and phototrophic nutrition No nuclear envelope (Instead a nucleoid contains genetic material, DNA) Broad range of metabolic diversity Usually dominate in extreme habitats Major agents of geochemical change Genetic streamlining and plasticity =>Rapid adaptation to environmental change (evolution) Properties of Prokaryotic Microorganisms Properties of Prokaryotic Microorganisms BBOM 11e Sec. 4.4 Ubiquitous free-living cells A few cause diseases of animals and plants (Rods, Cocci, Curved, Spirals, Budding cells) Also Filaments, Chains, and Aggregates ( Symbionts, Parasites & Pathogens) 3 Protists (Eukaryotic Microorganisms)...
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This note was uploaded on 07/13/2008 for the course BIO 2900 taught by Professor Ghiorse during the Spring '07 term at Cornell University (Engineering School).

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PO_Lecture_05 - 1 Lecture 5 Lecture 5 Microscopy Protists...

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