Cellular Respiration

Cellular Respiration - Fuels Methane (liquified naturalgas)

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Methane (liquified Alternative fuels (alcohol fuels) promotes more complete combustion, so that less carbon monoxide, soot, and nburned hydrocarbons Fuels Propane (liquified natural gas) unburned hydrocarbons (what about CO 2 ?) Methanol petroleum gas) Ethanol Isooctane (typical of gasoline) N hexadecane (diesel fuel) http://www.altfuels.org/backgrnd/fuelchem.html
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Glucose (Cellular Fuel) http://en.wikipedia.org/wiki/Glucose
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Cellular Respiration (Learning Objectives) Review the importance of cellular respiration in energy transformation and production of ATP. i th l f id ti dt i d i tf t i f hi l ii d th ll Recognize the role of oxidation reduction and in transformation of chemical energy inside the cell and the role of electron carriers. Compare and contrast Oxidative Phosphorylation and Substrate Level Phosphorylation as the two mechanisms of generation of cellular ATP. Summarize the sequence of energy transformations from electrons to electron carriers and finally to ATP. Learn the central metabolic pathways and the individual pathways that convert the energy of chemical bonds within glucose into ATP and in the presence of oxygen recycles the carbon skeleton f glucose into carbon dioxide and water of glucose into carbon dioxide and water. Follow the fate of the carbon skeleton of glucose and energy transformation that occurs in glycolysis, the transition step, the Krebs cycle , and oxidative phosphorylation and identify the sub celullar location and the electron carrier(s) NADH & FADH2. Explain the role of the electron transport chain in transformation of energy from electron carriers (reducing power) in generation of a proton motive force that is used to generate ATP during oxidative phosphorylation. Recognize the number of ATP moles that can be generated from NADH nd FADH2 and FADH2. Explain chemiosmosis that couples facilitated transport of proton with chemical catalysis of generating of ATP from ADP and inorganic phosphate (P i ). Explain fermentation, its subcellular location and its role for cellular metabolism. Describe how biomolecules other than glucose are used by the cell as sources of carbon skeletons and energy. Review control of cellular respiration and the role of allosteric regulation of phosphofructokinase.
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Energy Transformation: Cellular Respiration Outline 1. Turning chemical energy of covalent bonds between C C into energy for cellular work (ATP) portance of electrons and H atoms in oxidation duction 2. Importance of electrons and H atoms in oxidation reduction reactions in biological systems 3. Cellular mechanisms of ATP generation 4. The four major central metabolic pathways Glycolysis Fermentation i t i t Transition step Krebs Cycle Electron Transport chain and oxidative phosphorylation 4. Poisons of cellular respiration and their mechanisms of action.
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This note was uploaded on 04/22/2011 for the course BIO 210A taught by Professor Haidar during the Spring '10 term at Miramar College.

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Cellular Respiration - Fuels Methane (liquified naturalgas)

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