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Cellular Respiration: - Coggle Diagram
Cellular Respiration:
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Stage 1B(Intermediate stage)-Pyruvate Oxidation: The pyruvate molecules are then actively transported into the mitochondria specifically in the matrix. Next the pyruvate bonds with coenzyme A. This will create acetyl-coa and CO2 is released. NAD+ is also taken and turned into NADH. This step requires oxygen so it is considered aerobic.
Stage 1-Glycolysis: This step occurs in the cytoplasm outside of the mitochondria and doesn't require oxygen making it an anaerobic process. In this step, glucose is taken and split into two molecules of pyruvate. 2 ATP is required and 4 is produced so the net gain is 2 ATP. Within this step 7 more reaction occur turning NAD+ into NADH.
Stage 3-Krebs Cycle: Requires oxygen and occurs in the matrix of mitochondria. In this step, acetyl CoA is taken through a series of reaction which extract the electrons and hydrogen ions creating FADH2 and NADH which are coenzymes. These will be used in the next step. During this process, CO2 is released, 2 ATP is created, 6 NADH and 2 FADH2.
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Stage 4-Electron Transport Chain (ETC): This step occurs in the inner mitochondrial membrane and requires oxygen making it aerobic. This step takes the FADH2 and NADH and takes the hydrogen atoms from them. It then uses the hydrogens electrons through the ETC and produces ATP. The H+ ions accumulate inside the inner membrane creating a concentration gradient. Some of the H+ ions bond to O2 to produce water which is released as a waste product.
Stage 4B-ATP Synthase: This is part of the ETC so still apart of rthe inner membrane. In this step the rest of the H+ iomns that have accumulated are used through ATP synthase to create ATP. In summery H+ ions are taken in to create ATP.
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