Summary
                        
        
                            Some molecules can absorb visible light which determines their color. These molecules are called chromophores. Nature has utilized these chromophores by embedding them in a protein environment. Proteins that incorporate chromophores are called photoreceptor proteins. Since the...
                    
    
        
                                 
                    More information & hyperlinks
                        
        | Web resources: | https://scholars.huji.ac.il/igorschapiro/photomutant | 
 
                             
                             
                            