Topic 5 Chp5_EukaryotesP

Topic 5 Chp5_EukaryotesP - TalaroChapter5...

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Talaro - Chapter 5 Eukaryotic Microorganisms
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“Lifestyles” of Biological Organisms Free-living Symbiotic [2 species living in direct contact] Commensalism one benefits; second is unaffected Mutualism both benefit Parasitism one benefits; second is harmed
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Eukaryotic single cell microbes Review cellular structures common to all eukaryotes: Nucleus Endoplasmic reticulum Golgi apparatus Mitochondria Ribosomes Unique eukaryote single cell structures: Fungi have rigid cell wall. Non-motile glycocalyx  Motile
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Fungi Heterotroph - “An organism that cannot synthesize its own food  and is dependent on complex organic substances  for nutrition.” {Answers.com}   Specifically,  chemo heterotrophic - Derive energy by breaking down preformed  organic compounds - Use intermediate breakdown compounds to make  carbon-based cellular structures
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Fungi Chemoheterotrophic Unique sterols in cell membrane Many grow under lower moisture conditions Fungal forms - Molds - Yeasts - Dimorphic fungi
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Molds = filamentous fungi single filament of cells = hyphae tangled mass of hyphae = mycelium
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Molds produce reproductive spores  which spread by air currents or contact
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Mushrooms = sexual fruiting bodies of certain molds
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Yeast = unicellular fungi with  spherical or cylindrical shapes
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This note was uploaded on 01/23/2010 for the course BIO 307D taught by Professor Moore during the Fall '09 term at University of Texas at Austin.

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Topic 5 Chp5_EukaryotesP - TalaroChapter5...

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