"Citric Acid Cycle" Essays and Research Papers

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Citric Acid Cycle

steps of the citric acid cycle.  Differentiate between citric acid cycle and glyoxylate cycle.  Relate citric acid cycle as energy source. The Central Role of the Citric Acid Cycle  3 processes play central roles in aerobic metabolism.  The citric acid cycle.  Electron transport .  Oxidative phosphorylation.  Metabolism consists of:  Catabolism: the oxidative breakdown of nutrients.  Anabolism: the reductive synthesis of biomolecules. • The citric acid cycle is amphibolic...

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Citric Acid Cycle

Citric acid cycle From Wikipedia, the free encyclopedia Jump to: navigation, search [pic] [pic] Overview of the citric acid cycle The citric acid cycle — also known as the tricarboxylic acid cycle (TCA cycle), the Krebs cycle, or the Szent-Györgyi-Krebs cycle, [1][2] — is a series of enzyme-catalysed chemical reactions, which is of central importance in all living cells that use oxygen as part of cellular respiration. In eukaryotic cells, the citric acid cycle occurs in the matrix of the mitochondrion...

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Citric Acid Cycle Research Paper

The Role of the Citric Acid Cycle The Citric Acid Cycle is a series of enzyme-catalysed reactions that take place in the mitochondrial matrix of all aerobic organisms. It involves the oxidation of the acetyl group of acetyl CoA to two molecules of carbon dioxide. Each cycle produces one molecule of ATP by substrate-level phosphorylation, and reduces three molecules of NAD and one molecule of FAD for use in Oxidative Phosphorylation. The cycle is preceded by Glycolysis, which also occurs in anaerobic...

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production of citric acid

PRODUCTION OF CITRIC ACID Introduction: Citric acid is a White solid,C3H4OH(COOH)3,soluble in water and slightly soluble in organic solvents, which melts at 153 oC. Aqueous solutions of citric acid are slightly more acidic than solutions of acetic acid. Traces of citric acid are found in numerous plants and animals, because it is a nearly universal intermediate product of metabolism. Large amount of the acid are found in the juice of citrus fruits, from which it is precipitated by...

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What Is Krebs Cycle

What is Krebs cycle? The Krebs cycle, also known as the Citric Acid cycle, is a very important process in cellular respiration. Without this portion, respiration would not be possible. This is because the Krebs cycle uses the pyruvate molecules from glycolysis to produce high energy molecules essential for the electron transport chain (ETC) which follows soon after. Described by Hans Adolf Krebs in 1937 A feature of cell chemistry shared by all types of life. A complex series of reactions beginning...

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cycles in biology

CYCLES IN BIOLOGY This essay will give examples of cycles in biology from different scales of magnification, ranging from molecular level to populations and ecosystems. Cycles are sequences of events which repeat themselves in the same order, one event leading to the next. There are many examples of these in Biology. Cycles can be seen even at a molecular level in the body. An example of this would include the passage of action potentials down neurones in the nervous system. When the cell membrane...

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Amino Acid Metabolism

non-essential amino acids, amino acid remodeling, and conversion of non-amino acid carbon skeletons into amino acids and other derivatives that contain nitrogen. However, the liver is the major site of nitrogen metabolism in the body. In times of dietary surplus, the potentially toxic nitrogen of amino acids is eliminated via transaminations, deamination, and urea formation; the carbon skeletons are generally conserved as carbohydrate, via gluconeogenesis, or as fatty acid via fatty acid synthesis pathways...

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Insulin and Tca Cycle

formation of lipids is known as Lipogenesis. Lipogenesis is not simply the reverse of the fatty acid spiral, but does start with acetyl CoA and does build up by the addition of two carbons units. The synthesis occurs in the cytoplasm in contrast to the degradation (oxidation) which occurs in the mitochondria. Many of the enzymes for the fatty acid synthesis are organized into a multienzyme complex called fatty acid synthetase. The major points in the overall lipogenesis reactions are: 1) ATP is required ...

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krebs cycle

KREBS CYCLE It refers to a complex series of chemical reactions that produce carbon dioxide and Adenosine triphosphate (ATP), a compound rich in energy. The cycle occurs by essentially linking two carbon coenzyme with carbon compounds; the created compound then goes through a series of changes that produce energy. This cycle occurs in all cells that utilize oxygen as part of their respiration process. It occurs in the matrix of the mitochondria in the presence of CO2.Pyruvic acid diffuses from...

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Cellular Respiration Worksheet

Cellular Respiration Worksheet 1. What are the 3 phases of the cellular respiration process? Glycolysis, Krebs Cycle, Electron Transport 2. Where in the cell does the glycolysis part of cellular respiration occur? in the cytoplasm 3. Where in the cell does the Krebs (Citric Acid) cycle part of cellular respiration occur? in the mitochondria 4. Where in the cell does the electron transport part of cellular respiration occur? in the mitochondria 5. How many ATP (net)are...

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