The apartheid system in South Africa was ended through a series of negotiations between 1990 and 1993 and through unilateral steps by the de Klerk government. These negotiations took place between the governing National Party, the African National Congress, and a wide variety of other political organisations.
<span>As commander and chief, the President and the executive branch have broad authority over the armed forces. They make strategic decisions on what operations the military takes and how they are executed. The President cannot, however, declare war. Only Congress can declare war.</span>
For a long period of time, geneticists believed that one gene codes for one polypeptide. This hypothesis has been re-evaluated for two reasons. Firstly, some genes do not encode polypeptides, but functional RNA molecules. Secondly, due to the phenomenon of alternative splicing, some genes can encode several similar but not identical polypeptides. This phenomenon is present only in eukaryotes and it is based the fact that different parts of some genes can be used during gene expression.