Since its independence in 1956, Sudan has been bedeviled by a succession of civil wars and political instability. The Darfur conflict should be seen as part of these larger, ongoing series of Sudanese crises, with one conflict spilling from one part of the country to another.
the general term is cofactor, but more specifically, if the cofactor is an organic molecule, it is called a coenzyme.
Many enzymes consist of a protein and a non-protein (called the cofactor). The proteins in enzymes are usually globular. The intra-and intermolecular bonds that hold proteins in their secondary and tertiary structures are disrupted by changes in temperature and pH.