MICROBIO 101 Lecture Notes - Lecture 10: Electron Transport Chain, Pyruvic Acid, Nicotinamide
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29 Sep 2017
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Nad/nadh is a common electron carrier: nad = nicotinamide, can accept and donate electrons in a wide variety of actions, reduced nad = nadh, nadh can be oxidized and become nad, redox molecule. Atp synthesis step: substrate level phosphorylation: captures released energy from oxidation by capturing a phosphate in an intermediate, adp to atp is called substrate level phosphorylation, transfer of phosphate to adp makes atp. 2: can also be lipids, when finally passed to the electron acceptor, the acceptor will be reduced in the process. Random facts about respiration: co2 is always a waste product is glucose is oxidized completely, water is only a product of aerobic respiration, waste products of microbes during respirations have a great impact on our environment. Chemoorganotrophic diversity: obligate respires, ex: pseudomonas, must have an external electron acceptor, respiration or fermentation, ex: salmonella, obligate fermenters, ex: streptococcus, never need external electron acceptor.
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