Cellular Respiration
اسلاید 1: Cellular Respiration
اسلاید 2: Chemical Energy & FoodOne gram of glucose = 3811 calories1 calorie = amount of energy needed to heat 1 gram of water 1 degree CelsiusFood calories are measured in Calories where 1 Calorie = 1000 calories.What is the difference?
اسلاید 3: Calories
اسلاید 4: Cellular RespirationCellular Respiration is the process that releases energy by breaking down food molecules in the presence of oxygen.6O2 + C6H12O6 6CO2 + 6H2O + EnergyOxygen + Glucose Carbon Dioxide + Water + Energy
اسلاید 5: Cellular Respiration
اسلاید 6: GlycolysisGlycolysis is the process in which one molecule of glucose is broken in half, producing two molecules of pyruvic acid.2 ATP needed to start reaction, 4 ATP are produced thus the net gain is 2 ATP.
اسلاید 7: FermentationReleases energy from glucose without the presence of oxygen.There are two types of fermentation: alcoholic and lactic acid.Alcoholic fermentation is done by yeasts and some microorganisms. It produces alcohol & Carbon DioxideLactic Acid is produced by muscles during rapid exercise when the body cannot supply enough oxygen.
اسلاید 8: The Krebs CycleDuring the Krebs Cycle, pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions.Citric Acid is created in this cycle thus giving it the nickname Citric Acid cycle.Net ATP Production is 2 ATP.
اسلاید 9: Electron Transport ChainThe electron transport chain uses the high-energy electrons from the Krebs Cycle to convert ADP to ATP.Total ATP 32.
اسلاید 10: TotalsGycolysis 2 ATPKrebs Cycle 2 ATPElectron Transport Chain 32 ATPTotal = 36 ATP
اسلاید 11: From Food to ATP
اسلاید 12: Energy & ExerciseQuick energy – Lactic Acid fermentation is used to get quick energy and gives off lactic acid as a by product, thus the muscle pain.Long-Term Energy – Use cellular respiration to produce energy. Exercising or activities that last for at least 15 to 20 minutes. Best form for weight control.
اسلاید 13: The Oxygen Cycle
اسلاید 14: Comparing Photosynthesis & Respiratio
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