The waste products of anaerobic respiration contain large amounts of unprocessed energy, causing
the amount of usable energy to be lower for aerobic respiration than anaerobic respiration
the amount of usable energy to be higher for anaerobic respiration than aerobic respiration
the amount of usable energy to be lower for anaerobic respiration than aerobic respiration **
the amount of usable energy to be the same for anaerobic respiration and aerobic respiration
correct
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The correct answer is: the amount of usable energy to be lower for anaerobic respiration than aerobic respiration.
To understand why, we need to first understand the process of anaerobic respiration. Anaerobic respiration occurs in the absence of oxygen and is less efficient compared to aerobic respiration which occurs in the presence of oxygen.
During anaerobic respiration, the breakdown of glucose or other organic compounds is incomplete, leading to the production of waste products such as lactic acid or ethanol. These waste products contain unprocessed energy in the chemical bonds.
In contrast, during aerobic respiration, oxygen is available, and glucose or other organic compounds are broken down completely, producing carbon dioxide and water as waste products. Since the breakdown is complete, there are no waste products that contain unprocessed energy.
Therefore, the waste products of anaerobic respiration contain large amounts of unprocessed energy, resulting in a lower amount of usable energy compared to aerobic respiration where there are no such waste products.