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.
Department on Disability Services. Services for People with Intellectual and Developmental Disabilities. The Developmental Disabilities Administration (DDA) is the public agency responsible for the oversight and coordination of all services and supports provided to qualified persons with intellectual disabilities in the District of Columbia.