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Cellular respiration review sheet

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Electron transport chain

Citric acid cycle

Carbohydrate catabolism

CELLULAR RESPIRATION MULTIPLE CHOICE. Circle ALL that are TRUE. There may be more than one correct answer. _______________________ is the first step in cellular respiration that begins releasing energy stored in glucose. A. Alcoholic fermentation B. Lactic acid fermentation C. Glycolysis D. Electron transport chain The carriers for energy and high energy electrons during GLYCOLYSIS are ________. A. ATP B. NADH C. FADH2 D. NADPH If oxygen is NOT present, glycolysis is followed by _____________________ A. Krebs cycle B. electron transport chain C. fermentation Name the 3 carbon molecule produced when glucose is broken in half during glycolysis. A. pyruvic acid B. lactic acid C. Acetyl-CoA D. citric acid

Cellular Respiration Free response question and answer

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Citric acid cycle

Oxidative phosphorylation

Electron transport chain

Substrate-level phosphorylation

Breanna Takacs AP Biology A2 11/27/12 Cellular Respiration Free Response Questions The Krebs Cycle and oxidative phosphorylation are both processes involved in obtaining ATP from pyruvate, the end product of glycolysis. Before the Krebs Cycle actually begins, pyruvate combines with coenzyme A to produce acetyl CoA. One NADH and one CO2 are produced. Then the Krebs Cycle begins when citrate is formed by combining acetyl CoA with OAA. 3NADH, 1 FADH2 are made and CO2 is released. It is possible for the Krebs Cycle to be a cycle because the last product is OAA which reacts with acetyl CoA.

Chapter 9 Notes

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Metabolic pathway

Lactic acid fermentation

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Substrate-level phosphorylation

Citric acid cycle

Electron transport chain

Oxidative phosphorylation

Mitochondrial matrix

Chapter 9 notes Cellular Respiration: Harvesting Chemical Energy Concept 9.1 Metabolic pathways that release energy are called catabolic pathways - fermentation and cellular respiration _____________: partial degradation of sugars that occurs w/out the help of O2 ________: O2 is consumed as a reactant along w/ the sugar - more efficient Concept 9.1 Cellular respiration occurs in the _______________ Organic + O2 ? Carbon + H2O + Energy compounds dioxide C6H12O6 + 6O2 ? 6CO2 + 6H2O + Energy 1 glucose = -686 kcals Concept 9.1 ATP is the central molecule responsible for energy used by the cell The cell uses enzymes to transfer phosphate groups from ATP to other compounds (making them _________________) ATP ? ADP + phosphate Concept 9.1

Cellular Respiration Notes

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Cellular respiration

Metabolic pathways

Exercise physiology

Citric acid cycle

Oxidative phosphorylation

Substrate-level phosphorylation

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cellular respiration

Substrate-level phosphorylation

Oxidative phosphorylation

Citric acid cycle

Electron transport chain

Cellular Respiration Wednesday, March 06, 2013 5:23 PM ? Cellular Respiration Cellular respiration - an ATP-generating process that occurs within cells; energy is extracted from energy-rich glucose to form ATP from ADP and phosphate C6H12O6 + 6O2 -> 6CO2 + 6H2O + energy Glucose + air = carbon dioxide + water + energy Aerobic respiration - cellular respiration in the presence of O2; divided into three components: glycolysis, the Krebs cycle, and oxidative phosphorylation ? Glycolysis Glycolysis - the decomposition (lysis) of glucose (glyco) to pyruvate (or pyruvic acid); nine intermediate products are formed and, of course, each one is catalyzed by an enzyme; in six of the steps, magnesium ions are cofactors that promote enzyme activity; summary of the steps:

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