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Hrincevich+CH+8+student+outline - How Cells Release Stored...

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How Cells Release Stored Energy Chapter 8
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Photosynthesizers get energy from the sun Animals get energy 2 nd or 3 rd hand from plants or other organisms Regardless, the energy is converted to the chemical bond energy of ATP ATP Is Universal Energy Source
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Making ATP Plants make ATP during photosynthesis Cells of all organisms make ATP by breaking down carbohydrates, fats, and protein
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Main Types of Energy-Releasing Pathways Aerobic pathways Evolved later Require oxygen Start with glycolysis in cytoplasm Completed in mitochondria Anaerobic pathways Evolved first Don’t require oxygen Start with glycolysis in cytoplasm Completed in cytoplasm
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Summary Equation for Aerobic Respiration C 6 H 12 O 6 + 6O 2 Glucose oxygen 6CO 2 + 6H 2 O Carbon water dioxide
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Overview of Aerobic Respiration Glycolysis Electron Transfer Phosphorylation Krebs Cycle ATP ATP 2 CO 2 4 CO 2 2 32 water 2 NADH 8 NADH 2 FADH 2 2 NADH 2 pyruvate e - + H + e - + oxygen (2 ATP net) glucose Typical Energy Yield: 36 ATP e - e - + H + e - + H + ATP H + e - + H + ATP 2 4 * * *
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Overview of Aerobic Respiration
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The Role of Coenzymes Small molecules associated with an enzyme that participates in enzymatic catalysis • NAD + , FAD, NADH, FADH 2 are examples NAD + and FAD accept electrons and hydrogen to become NADH and FADH 2 Deliver electrons and hydrogen to the electron transfer chain
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A simple sugar (C 6 H 12 O 6 ) Atoms held together by covalent bonds Glucose
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This note was uploaded on 11/18/2010 for the course BIOL 1001 taught by Professor Minor during the Spring '08 term at LSU.

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Hrincevich+CH+8+student+outline - How Cells Release Stored...

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