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outline 11+12 - Tejas Patel Outline Prokaryotes I Archae A...

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Tejas Patel Lectures 11+12 Outline 10/19/11 Prokaryotes I. Archae A) Size: 0.5 – 1 μm; 1/1000 volume of a eukaryotic cell B) Structure: no membrane-bound organelles; nucleoid; ribosomes, storage granules, enzymes C) Reproduction: asexual → binary fission D) Nutrition + Energy: Carbon source = inorganic/organic; Energy source = photosynthesis/chemotroph E) Extreme Habitats: extremophiles, thermophiles, halophiles, methanogens, II. Bacteria A) Ecological: cyanobacteria, rhizobial bacteria B) Disease: spirochetes – lyme disease/syphilis; rickettsia – rocky mountain spotted fever; streptococci Protists I. Intro A) 1 st eukaryotic cell to evolve; 1.5 – 1.6 bya; B) Structure: membrane-bound organelles; multiple chromosomes C) 5 super groups: excavates, chromalvelates, rhizarians, archaeplastids, unikants II. Excavates A) Euglenoids: unicellular; live in fresh water ponds + puddles; reproduce asexually III. Chromalveolates A) Dinoflagellates: most unicellular; chlorophyll; abundant in plankton; reproduce by blooming B)
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