In enzymes, some of these amino acids form a site in the structure that catalyzes the enzymatic reaction. This site, called the active site of the enzyme, has amino acids that bind specifically to the substrate molecule, also called a ligand (Fig. 2). In a similar manner, certain sites in cell receptor proteins bind to specific ligand molecules that the receptor recognizes.
When did France's second empire end? The Second Empire ended with the swift and catastrophic defeat of  France in the Franco-Prussian war of 1870. The war was engineered  by Bismarck with the idea that Germany â¦would be united.This  included the capture by the Prussians of the Napoleon III. Then the  proclamation at Versailles of the German Empire, the loss to France  of Alsace and Lorraine, and the proclamation of the Third Republic.
1 He claims that the Third Estate is essentially the Nation. 2  June 17, 1789. 3  Accepting the proposition of the delegate Abbe AbbÃ©, sieyes SieyÃ¨s The third estate Proclaims Itself The.. 4  National assembly it invites the Other two orders to join in this new body of.  the nation This body came into being on 17 June 1789, with the renaming of the Estates-General on the motion of the abbe AbbÃ©. 2  Sieyes sieyÃ¨s the renaming was effectively a claim that this new body was. 3  Now, sovereign initially it comprised the members Of The third estate and a few liberal nobles.  and clergy