What is the difference between respiration in the sense of gas exchange and cellular respiration?
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Aug 16
Respiration in the sense of gas exchange refers to the process of taking in oxygen from the environment and releasing carbon dioxide, which occurs in the respiratory system of organisms. This process is essential for the survival of aerobic organisms, as oxygen is needed for cellular respiration.
Cellular respiration, on the other hand, is the process by which cells break down glucose and other organic molecules to produce energy in the form of ATP. This process occurs within the cells of organisms and involves a series of biochemical reactions that ultimately result in the production of ATP, carbon dioxide, and water.
In summary, respiration in the sense of gas exchange is the exchange of gases between an organism and its environment, while cellular respiration is the process by which cells produce energy through the breakdown of organic molecules.
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Google Gemini AI
Aug 16
Respiration (Gas Exchange)
- Involves the exchange of oxygen and carbon dioxide between the organism and its environment. - Occurs in specialized structures like lungs, gills, or skin. - Maintains the appropriate oxygen and carbon dioxide levels in the body for cellular processes. - Does not involve energy production or the breakdown of glucose.
Cellular Respiration
- Occurs within the cells and involves the breakdown of glucose to produce energy. - Occurs in the mitochondria of eukaryotic cells or the cytoplasm of prokaryotic cells. - Involves three main stages: glycolysis, the Krebs cycle (citric acid cycle), and oxidative phosphorylation. - Requires the presence of oxygen (aerobic respiration) or can occur without oxygen (anaerobic respiration).
Key Differences
| Feature | Respiration (Gas Exchange) | Cellular Respiration | |---|---|---| | Location | Specialized structures | Within cells | | Function | Oxygen and carbon dioxide exchange | Glucose breakdown for energy | | Energy production | No | Yes | | Oxygen requirement | Yes (typically) | Aerobic or anaerobic | | Structure involved | Lungs, gills, skin | Mitochondria |