A molecular switch is a molecule that can reversibly change its structure and properties in response to specific external stimuli, such as changes in pH, temperature, light, or the presence of specific ions or other molecules. These reversible changes can lead to different functional states, making molecular switches valuable in various applications, including: 1. **Biological Processes**: Many biological systems utilize molecular switches for regulation. For instance, proteins can act as switches through conformational changes that activate or deactivate their functions.
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