Lecture 19Lecture 19•Chemical Linkages Between Cycles:How Microbial Metabolic Processes and Biogeochemical Cycles AreLinked to Each Other•Chemical Linkages Between Cycles:How Microbial Metabolic Processes and Biogeochemical Cycles AreLinked to Each OtherReview Lectures 1-18 – Bring Questions to ClassFour Things to Remember About All Chemical Cycles of ElementsAll Chemical Cycles of Elements3. Most biochemical transformations happen inside cells2. Microbes catalyze the majority of chemical transformations1. An element never acts alone4. Environmental factors control microbial guild activityChemical Linkages = Redox reactionsCommunity Structure and Guild ActivityCell Structure, Nutrition, and Metabolism
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