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11 Cardiac Markers 13 after myocardial injury than any other marker available so farearly as 2 to 3 hours after the onset Its peak value is obtainednormalizes over the next 24 hours However it i. C483 Spring 2013. 1. Which of these enzymatic reactions is NOT a control point for glycolysis?. . A. . Phosphoglycerate. kinase. . B. Hexokinase. . C. Phosphofructokinase. . D. Pyruvate kinase. WOW do I Need Energy . ATP. All cells need energy. The most common form of cellular energy is ATP. Below is ATP. It is the negative phosphate groups that give this molecule energy as it becomes unstable. When the phosphate is transferred to other molecules, those molecules have energy because they become unstable.. Chapter 6. What is ATP? . Analogy with the coins and the bending machine . How does it function like a rechargeable battery? . RECHARGING ATP. Occurs in the Mitochondria . How do we obtain the energy from GLUCOSE to make ATP? . Chapter 16, . Stryer. Short Course. Glycolysis Expectations. Memorize/learn Figure . 16.1. Know overall reaction and stages. Explain . chemical/physiological purpose . of each . step. Learn structures. p.221-228. Why Anaerobic Cellular Respiration?. As the name suggests “an” = without, and “aerobic” = air. Anaerobic respiration is the cell’s way . of acquiring . energy when there are low oxygen levels. Glucose in the bloodstream enters our cells, where it undergoes degradation in a pathway called glycolysis. . Glucose obtained from the digestion of polysaccharides is degraded in glycolysis to pyruvate.. systsems. Anaerbic. Energy Systems. ATP-PC . System. Lactic Acid System (. Anaerboic. . Glycolysis. ). ATP-PC System:. PC ADP. ATP lasts about 10secs as PC (. phospho-creatine. ) stores run out in about 10 . Learning Objectives. To learn what energy is and why organisms need it.. To understand how the molecule ATP stores energy.. To learn how ATP is synthesised.. To understand the role of ATP in biological processes.. explain why anaerobic . respiration produces a much lower yield of ATP than aerobic respiration. ;. define the term . respiratory quotient . (RQ); . . Anaerobic production of ATP. Anaerobic conditions mean that there is no final hydrogen acceptor at the end of chemiosmosis.. What is Cellular Respiration???. A Famous scientist once said “Cellular Respiration is in my opinion, the most important biochemical reaction in Heterotrophic systems”. Me (Just now). Respiration can be considered the opposite process of photosynthesis. It is the transformation of food energy into chemical energy in the form of ATP. Plants and animals go through the same process of cellular respiration. Glycolysis occurs in ten steps , and in two phases :-. The first 5 steps constitute the PREPARATORY PHASE in which the energy of 2 ATP is invested, raising the free-energy content of the intermediates and the carbon chains of all the metabolized hexoses are converted into a common product glyceraldehyde-3-phosphate. . 1. FORWARD REACTION. REVERSE REACTION. D. G. o . (kJ). K. Significance. 200. 100. 50. 10. 1. 0. -1. -10. -50. -100. -200. 9x10. -36. 3x10. -18. 2x10. -9. 2x10. -2. 7x10. -1. 1. 1.5. 5x10. 1. 6x10. 8. The breakdown of simple food molecules such as glucose and the release of the energy it contains. Respiration does not refer to a person breathing. Aerobic and Anaerobic Respiration. Aerobic- . Occurs .