explain the main steps in the process of aerobic respiration in plant cells
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Aerobic Respiration - Biology LibreTexts Aerobic respiration involves four stages: glycolysis, a transition reaction that forms acetyl coenzyme A, the citric acid (Krebs) cycle, and an electron transport chain and chemiosmosis.
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The main steps in the process of aerobic respiration in plant cells are Glycolysis, Pyruvate oxidation, Citric Acid Cycle and Electron transport chain
Explanation:
- Aerobic respiration is a process that occurs in plant cells, as well as in animal cells, to produce energy in the form of ATP (adenosine triphosphate).
- The main steps involved in aerobic respiration in plant cells are as follows:
- Glycolysis: This is the first step. It takes place in the cytoplasm. In this step, glucose is broken down into two molecules of pyruvate, which produces a small amount of ATP and NADH.
- Pyruvate oxidation: In this step, the two molecules of pyruvate produced during glycolysis are transported into the mitochondria of the cell. Inside the mitochondria, pyruvate is converted into acetyl-CoA, which is then used in the next step.
- Krebs cycle (Citric Acid Cycle): This step takes place in the mitochondrial matrix. Acetyl-CoA enters the Krebs cycle, where it is broken down into carbon dioxide and water, releasing electrons in the process.
- Electron transport chain: The final step in aerobic respiration takes place in the inner mitochondrial membrane. Here, the electrons are passed from one carrier to the next, generating a proton gradient across the inner mitochondrial membrane. This gradient drives the production of ATP by ATP synthase.
- Overall, aerobic respiration in plant cells produces a large amount of ATP from the breakdown of glucose, and this process requires oxygen as the final electron acceptor in the electron transport chain.
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