Lecture Notes (Week 1) Introduction
Lecture Notes (Week 1) Introduction Biol 206
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This 3 page Class Notes was uploaded by an elite notetaker on Monday August 31, 2015. The Class Notes belongs to Biol 206 at St. Cloud State University taught by Ryan Fink in Summer 2015. Since its upload, it has received 83 views. For similar materials see Introductory Microbiology in Biology at St. Cloud State University.
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The content was detailed, clear, and very well organized. Will definitely be coming back to Brook for help in class!
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Date Created: 08/31/15
Intro Microbiology Aug 24 Aug 28 Notes by Brook Hoffman Lecture 1 Microbes in Our Lives 0 Microorganisms Organisms to small to be seen with the unaided eye Germ Rapidly growing cells 0 Few are pathogenic 0 Serve as decomposers producers and production of chemicals fermented foods and medical products Ethanol acetone vinegar cheese and bread cellulose and insulin 0 Knowledge of microbes Prevents food spoilage Prevent disease 0 Prevent lab contamination through aseptic techniques Naming Microbes Genus and Specific epithet species 0 Always underlined in writing and italicized in print Genus is Capitalized species is lowercase o Latinized o Named to honor a scientist or a descriptive Latin term 0 Write out name the first time you write it Then abbreviate after Intro Microbiology Aug 24 Aug 28 Notes by Brook Hoffman Types of Microbes Bacteria Prokaryotes with peptidoglycan cell walls Reproduces by binary fission Energy from organic and inorganic chemicals or photosynthesis o Archaea o Prokaryotic but lack peptidoglycan Live in extreme environments 0 Methanogens Extreme halophiles salt Extreme Thermophiles heat Fungi o Eukaryotic with chitin cell walls Use organic chemicals for energy 0 Molds and mushrooms are multicellular consisting of masses of mycelia Mycelia composed of filaments called hyphae Yeast is unicellular Protozoa o Eukaryotic Energy from absorbing or ingesting organic chemicals 0 May move via pseudopods cilia or flagella Algae Eukaryotes with cellulose cell walls Energy from photosynthesis Intro Microbiology Aug 24 Aug 28 Notes by Brook Hoffman 0 produces molecular oxygen and organic compounds 0 Viruses Acellular Consists of DNA or RNA core which is surrounded by a protein coat which may be enclosed in a lipid envelope 0 Only can replicate inside a living host cell Multicellular animal parasites o Eukaryotes and multicellular animals 0 Parasitic flatworms and roundworms are called helminths Have microscopic stages in their life cycles 0 Classification of microorganisms 3 domains Bacteria o Archaea Eukarya 0 Including protists fungi plants and animals
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