BIOA01H3 Lecture Notes - Lecture 22: Ion Channel, Acetyl-Coa, Endergonic Reaction

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BIOA01H3 Full Course Notes
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BIOA01H3 Full Course Notes
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Cellular respiration stages: glycolysis (cytoplasm, pyruvate oxidation (cytoplasm, citric acid cycle (mitochondria, oxidative phosphorylation (mitochondria) Glucose is a good donor because its oxidation to carbon dioxide releases energy. Oxygen is a good electron acceptor because of its high affinity for electrons. Glucose is oxidized slowly in a series of reactions. Redox reaction is where oxidation is the loss of electrons and reduction is the gain of oxidative phosphorylation electrons. Co 2 , nad+, and fad are oxidized molecules. Chemical energy is stored in reduced molecules (carbohydrates and lipids) Has high potential energy because the electrons shared in bonds are far from the nuclei. Energy is released gradually in a series of reactions of the atoms in the bond. Glucose oxidation to carbon dioxide releases a lot of energy carriers. An enzyme substrate complex in a hydrolysis reaction drives the synthesis of atp in a. Only a small amount of atp is generated using substrate level phosphorylation.

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