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{:("Column I","Column II"),("1. Glycolys...

`{:("Column I","Column II"),("1. Glycolysis","(a) 38 ATP"),("2. Krebs cycle","(b) Pyruvic acid"),("3. Lactic acid fermentation","(c ) 30 ATP"),("4. Electron transport chain","(d) 2 ATP"),("5. Aerobic respiration","(e )" NADPH_(2)):}`

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The correct Answer is:
To solve the given question, we need to match the items in Column I with the correct items in Column II based on their relationships in cellular respiration. Here’s a step-by-step solution: ### Step 1: Understand the Processes in Column I - **Glycolysis**: This is the first step in cellular respiration where glucose is broken down into pyruvic acid. - **Krebs Cycle**: This occurs after glycolysis in aerobic respiration and produces ATP, NADH, and FADH2. - **Lactic Acid Fermentation**: This is an anaerobic process that occurs when oxygen is not available, converting pyruvic acid into lactic acid. - **Electron Transport Chain**: This is the final step in aerobic respiration where most ATP is produced. - **Aerobic Respiration**: This includes glycolysis, the Krebs cycle, and the electron transport chain, resulting in a high yield of ATP. ### Step 2: Analyze Column II - **(a) 38 ATP**: This is the theoretical maximum ATP yield from aerobic respiration. - **(b) Pyruvic acid**: This is the end product of glycolysis. - **(c) 30 ATP**: This is a more realistic yield of ATP from aerobic respiration when considering cellular conditions. - **(d) 2 ATP**: This is the net gain of ATP from glycolysis. - **(e) NADPH**: This is not directly related to the processes listed in Column I. ### Step 3: Match the Columns 1. **Glycolysis** → (b) Pyruvic acid 2. **Krebs Cycle** → (c) 30 ATP (as it contributes to the total ATP yield) 3. **Lactic Acid Fermentation** → (d) 2 ATP (as it produces a small amount of ATP) 4. **Electron Transport Chain** → (a) 38 ATP (as it is where the majority of ATP is produced) 5. **Aerobic Respiration** → (e) NADPH (though not a direct product, it is involved in the overall process) ### Final Matching - 1 → (b) - 2 → (c) - 3 → (d) - 4 → (a) - 5 → (e) ### Summary of Matches - 1. Glycolysis → (b) Pyruvic acid - 2. Krebs cycle → (c) 30 ATP - 3. Lactic acid fermentation → (d) 2 ATP - 4. Electron transport chain → (a) 38 ATP - 5. Aerobic respiration → (e) NADPH
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