Cellular respiration

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Ally, Amanda, and Amber CELLULAR RESPIRATION Song: Under The Sea

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Cellular respiration Occurs in all living things T he energy stored in glucose T urns into ATP

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The glucose is oxidized Then releases energy T he oxygen that’s reduced Then turns into water

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Glycolysis is first Part of aerobic respiration Glycolysis produces Two ATP That turn into Pyruvate

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34 more are produced By aerobic pathways If oxygen Is present Then it works

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During glycolysis , C 6 (Glucose) Is broken down in two molecules Of C 3 which actually pyruvate This occurs in the cytosol

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This does not require oxygen There are ten steps in this process Each one is catalyzed Using a precise enzyme

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2 ATP Are used to phosphorylate (add) When they go through The glucose

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They become 2 hydrogen atoms are removed From NAD+ 2 ADP

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They then form 2 NADH This happens twice For each glucose molecule NADH

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One acetyl CoA Is formed each pyruvate By glycolysis Kreb Cycle produces NADH Kreb Cycle

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FADH2, and ATP Carry electrons To transport systems Which give them oxygen

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CELLULAR RESPIRATION EQUATION: Food + Oxygen (O2)=Carbon Dioxide (CO2) + Water (H2O) + Energy (ATP) FORMATION OF ACETYL CoA : 2 NADH = 6 ATP KREBS CYCLE: 6 NADH = 18 ATP 2 FADH 2 = 4 ATP GLYCOLYSIS: 2 NADH= 4 ATP (Which are converted to ATP in the mitochondria during cellular respiration) TOTAL YIELD: Glycolysis produces 2 ATP; aerobic respiration produces 34 more ATP Pathway Substrate-Level Phosphorylation Oxidative Phosphorylation Total ATP Glycolysis 2 ATP 2 NADH = 4-6 ATP 6 - 8 CoA 2 NADH = 6 ATP 6 Krebs Cycle 2 ATP 6 NADH = 18 ATP 2 FADH2 = 4 ATP 24 TOTAL 4 ATP 32 ATP 36 - 38

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Instrumental break Anaerobic Respiration (fermentation): Lacks most of the enzymes required for aerobic respiration Glucose is broken down to lactic acid or alcohol/CO2 Alcohol and CO2 are produced by yeast No oxygen in this process Takes place in the cytoplasm Makes 4 ATP molecules and uses 2 to run the process therefore the net gain of ATP is 2 Aerobic Respiration: Many enzymes are required Takes place in the mitochondria Oxygen is required for this process Glucose is broken down to water/CO2 Makes 38 ATP molecules and uses 2 to run the reaction, therefore the net gain is 36 ATP

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The energy is used To produce ATP In the cytoplasm Produces 3 ATP NADH

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FADH2 2 ATP Produces 3 ATP In the mitochondria NADH Makes

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As you can see here It’s not so hard here If you write a song You will do better If you remember

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Under the sea What we have told you Hope you have mastered The toughest unit In LE2