BIOL 1F90 Lecture Notes - Lecture 16: Carboxylic Acid, Oxidative Phosphorylation, Acid3

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C6h12o6 + 6o2 6co2 + 6h2o: four metabolic pathways, glycolysis (occurs in cytosol, breakdown of pyruvate, citric acid cycle, oxidative phosphorylation (pathways 2 4 occur in mitochondria) Store so much energy as molecules and atp. Fat- carbon bonded to other carbons- least oxidized most. Unsaturated-oxidized or add hydroxyl group oxidize more- turn. A lot of carbons have one bond to oxygen. Pyruvate- has 3 carbons (carboxylic acid-3 bonds, carbonyl. Oxygen is a pig for electrons, free energy scale- energy available out of a molecule. Nothing you can get out of co2- does nothing for you just exhale it. hydrogen attached- most potential energy (fats!!) carbon into carboxylic acid- almost completely oxidized. Look at fatty acid structure that carbons most potential energy carbon (2 bonds), and ch3-methyl) less potential energy than the glucose, oxidized, lost entropy, down in potential energy- process occurs in the cytoplasm. Carboxylic acid gets oxidized completely and leaves the co2- correlated with two nadh being produced.

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