BIOL 2303 Lecture Notes - Lecture 7: Citric Acid Cycle, Phosphorylation, Glycolysis

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Microbes have a huge diversity of metabolic strategies: energy sources, carbon sources, redox capabilities. This diversity is what allows microbes to inhabit diverse environments: we can also harness this diversity for human uses. Pyruvate: instead of being converted to fermentation products, can be oxidized completely to co2 higher yield of atp. Phosphorylation: the addition of a phosphate group to an organic molecule. (cid:271)(cid:895) citri(cid:272) a(cid:272)id (cid:272)y(cid:272)le (cid:894)kre(cid:271)"s (cid:272)y(cid:272)le(cid:895) During cellular respiration, adp is phosphorylated to produce atp. There are 2 ways this happens: substrate level phosphorylation, a phosphate group is transferred from a substrate molecule to adp, oxidative phosphorylation, the addition of a phosphate group to adp is related to electron transport and redox reactions. These reactions occur in the electron transport chain (etc): the outside of the membrane is positively charged and the inside is negatively charged.

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