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Oxaloacetic acid

The Citric Acid Cycle

Subject: 
Biology
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cellular respiration
metabolism
biochemistry
Metabolic pathways
Nucleotides
Citric acid cycle
Dehydrogenase
Acetyl-CoA
Oxaloacetic acid
Oxoglutarate dehydrogenase complex
Glycolysis
Succinyl coenzyme A synthetase

The Citric Acid Cycle Acetyl Coenzyme A??-? A small molecule that carries acetyl functional groups in cells. Composed of an acetyl group attached to a coenzyme A molecule. The starting product of the citric acid cycle. Acontinase??-? The citric acid cycle enzyme responsible for catalyzing the reaction that converts citric acid to isocitrate with the release of water. Adenisine Triphosphate (ATP)??-? The molecule from which cells derive energy. Comprised of an adenisine molecule bonded to three phosphates, each phosphate bond contains energy, especially the third bond. By breaking that one bond and reducing ATP to adenisine?diphosphate (ADP), the cell can get the energy to carry out its various processes.

Campbell9EdChapter9CellRespiration

Subject: 
Biology
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Tags: 
cellular respiration
Glycolysis
Citric acid cycle
Substrate-level phosphorylation
Adenosine triphosphate
metabolism
Chemiosmosis
Oxaloacetic acid
Beta oxidation
Oxidative phosphorylation
Fermentation
Nicotinamide adenine dinucleotide

Cellular Respiration and Fermentation Chapter 9 Overview: Life Is Work Living cells require energy from outside sources Some animals, such as the chimpanzee, obtain energy by eating plants, and some animals feed on other organisms that eat plants ? 2011 Pearson Education, Inc. Figure 9.1 Energy flows into an ecosystem as sunlight and leaves as heat Photosynthesis generates O2 and organic molecules, which are used in cellular respiration Cells use chemical energy stored in organic molecules to regenerate ATP, which powers work ? 2011 Pearson Education, Inc. Figure 9.2 Light energy ECOSYSTEM Photosynthesis in chloroplasts Cellular respiration in mitochondria CO2 ? H2O ? O2 Organic molecules ATP powers most cellular work ATP Heat energy
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