Can you tell which metabolic pathway istaking place resulting in the formation of CO2?
Question
Can you tell which metabolic pathway is taking place resulting in the formation of CO2?
Solution
The metabolic pathway that results in the formation of CO2 is called cellular respiration. Here are the steps:
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Glycolysis: This process occurs in the cytoplasm of the cell and breaks down glucose into two molecules of pyruvate. This process produces a small amount of ATP and NADH but does not produce CO2.
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Pyruvate Decarboxylation: This process occurs in the mitochondria. Each pyruvate molecule is converted into Acetyl CoA and one molecule of CO2 is released.
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Citric Acid Cycle (Krebs Cycle): This process also occurs in the mitochondria. The Acetyl CoA is further broken down and this process produces CO2, ATP, NADH, and FADH2.
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Electron Transport Chain: This is the final stage of cellular respiration. The NADH and FADH2 produced in the previous steps are used to produce ATP. Water and CO2 are the final waste products.
So, the metabolic pathways that result in the formation of CO2 are Pyruvate Decarboxylation and the Citric Acid Cycle.
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