BIOL241 Study Guide - Final Guide: Macrophage, Immunogenicity, Nitrogen
24 Oct 2017
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Document Summary
Study of interrelationships between microorganisms and their environments. Ecosystem: community of organisms and their natural environment. Population: group of same species or organisms in the same place at the same time. Guilds: metabolically similar populations that use the same resources in the same way. Sulfur produced at the end of energy generating processes: guild 3: fermentative bacteria produce products used by other guilds, guild 4: methanogens (archaea) and acetogens (bacteria) A given microbe can conduct more than 1 type of metabolism. Comparison of respiration in chemoorganotrophs and chemolithotrophs: Some chemilithoautotrophs are important in c, n, s cycling (e. g. , nh3- oxidizers in nitrification process) Photolithoautotrophs are key primary producers (from organic matter from inorganic materials) e. g. plants, eukaryotic algae, cyanobacteria. Phototrophic bacteria can be split into 5 groups. Autotrophic, heterotrophic or both; some split h2s to produce s. Autotrophic, heterotrophic or both; some split h2s to. Do not produce oxygen during photosynthesis; some split h2s to produce s produce s.
