Glycolysis happens outside of the mitochondria inside the cytoplasm. In glycolysis we’re taking glucose‚ which is a 6 carbon molecule and we’re going to break that down into two molecules of pyruvate that each have three carbons inside it. For one glucose molecule in glycolysis were going to make 2 ATP and a chemical called NADH. The pyruvate is going to diffuse into the mitochondria and
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systems • Occurs in the mitochondria‚ not cytoplasm 4 Oxidation of Carbohydrate • Stage 1: Glycolysis • Stage 2: Krebs cycle • Stage 3: Electron transport chain Figure
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process called dehydration synthesis. Write the equation for this process: ADP ( ATP (+ H2O) 4. List the three processes used to synthesize additional ATP when ATP supplies are low: 1. Hydrolysis of creatine phosphate 2. Glycolysis 3. The Krebs cycle and oxidative phosphorylation 5. An immediate source of energy is creatine phosphate (CP)‚ but the supplies are limited and rapidly depleted. One molecule of CP produces one ATP. 6. Glucose is a major
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Citric acid cycle)‚ and finally end with the Electron Transport Chain (ETC). Without this sequence of processes‚ there would be no life on Earth. Cellular Respiration begins with glycolysis. Glycolysis includes glucose‚ hence the “glyco”. “Lysis” is the process of breaking down‚ therefore Glycolysis is the process of breaking down glucose. To start off‚ a glucose molecule is too large to fit into the inner membrane of the mitochondria‚ so it enter the Investment Phase. In the Investment
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March 5‚ 2013 Biology 1111 Term Paper Glycolysis and the Citric Acid Cycle Glycolysis occurs in the cytoplasm outside the mitochondria‚ it is a metabolic pathway that is the breakdown of glucose (C6) and ends with 2 pyruvate (C3) molecules. Energy is invested to activate the glucose‚ 2 ATP are gained‚ and oxidation results in NADH‚ which will be used later for additional ATP production. Glycolysis is divided into (1) the energy-investment step‚ when ATP is used; and (2) the energy-harvesting
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Aerobic Cellular Respiration occurs in three stages. A. Glycolysis (occurs in the cytoplasm) 1. One glucose is split into two pyruvates (C3H4O3). 2. 4 ATP are produced‚ but 2 endergonic reactions use up 2 ATP. 3. Glycolysis requires no oxygen‚ and occurs whether oxygen is present or not. 4. Glycolysis occurs in all living cells. 5. Fermentation follows glycolysis in anaerobic conditions. a. Fermentation
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(Polymerization)‚ making cell parts Cellular Respiration * Aerobic Respiration 1. Glycolysis 2. Formation of acetyl CoA 3. Krebs Cycle 4. Oxidative Phosphorylation Glycolysis * Glucose goes into the cycle… * 6 Carbon to 2‚ 3 Carbon molecules‚ called Pyruvic acid * Occurs in cytoplasm (cytosol) * Net ATP of 2 (because you used 2 in the beginning)‚ 2 pyruvic acids‚ 2 NADH * GLYCOLYSIS CAN BE DONE WITH OR WITHOUT OXYGEN * At this point‚ the cell can either continue
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respiration occurs in the mitochondria of the cytosol inside plant and animal cells. Cellular respiration occurs in three stages‚ Glycolysis‚ which happens in the cytosol‚ Krebs cycle‚ which takes place in the matrix of the mitochondria‚ and electron transport chain‚ which happens in the cristae of the mitochondria. The first stage of this process is Glycolysis: Glycolysis first breaks down a glucose molecule‚ which is a very important sugar molecule for living things. Since glucose is a six-carbon
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acid fermentation is the simplest type of fermentation. Basically‚ it is a redox reaction. In anaerobic conditions‚ the cell’s primary mechanism of ATP production is glycolysis. Glycolysis reduces – that is‚ transfers electrons to – NAD+‚ forming NADH. However‚ there is only a limited supply of NAD+ available in a cell. For glycolysis to continue‚ NADH must be oxidized – that is‚ have electrons taken away – to regenerate the NAD+. This is usually done through an electron transport chain in a process
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Name_______________________Period___________ Chapter 9: Cellular Respiration: Harvesting Chemical Energy Overview: Before getting involved with the details of cellular respiration and photosynthesis‚ take a second to look at the big picture. Photosynthesis and cellular respiration are key ecological concepts involved with energy flow. Use Figure 9.2 to label the missing parts below. See page 163 of your text for labeled figure. Concept 9.1 Catabolic pathways yield energy by oxidizing organic
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