The three-dimensional conformation of biomolecules is of the utmost importance in their interactions; for example, in the binding of a substrate (reactant) to the catalytic site of an enzyme (Fig. 3-8), the two molecules must fit each other closely, in a complementary fashion, for biological function.
DD&A stands for Depletion, Depreciation and Amortization. Suggest new definition. This definition appears frequently and is found in the following Acronym Finder categories: Business, finance, etc.
Data Definition Language (also known as DDL) is a computer language used to define data structures â as its namesake suggests. It first made its appearance in the CODASYL database model (a model pertaining to the information technology industry consortium, known as Conference on Data Systems Languages).