UPSC CSE Prelims 1998
Aerobic respiration is the metabolic process where glucose is completely oxidized in the presence of oxygen to produce carbon dioxide, water, and a significant amount of energy, primarily in the form of ATP. This process typically occurs in the mitochondria of eukaryotic cells and is characterized by the complete breakdown of the substrate.
Anaerobic respiration: This process occurs in the absence of oxygen. It involves the incomplete breakdown of glucose, yielding less energy and producing by-products such as lactic acid or ethanol, rather than carbon dioxide and water as the final products.
Glycolysis: This is the initial stage of both aerobic and anaerobic respiration, occurring in the cytoplasm. It involves the partial breakdown of glucose into pyruvate and does not require oxygen. It is not the complete conversion of glucose into carbon dioxide and water.
Hydrolysis: This is a general chemical reaction involving the breakdown of a compound by reaction with water. It is a broad chemical process and not the specific metabolic pathway for the complete conversion of glucose into carbon dioxide and water with energy release.