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.
In computing, Dynamic Data Exchange (DDE) is a method of interprocess communication under Microsoft Windows or OS/2.It allows one program to subscribe to items made available by another program, for example a cell in a Microsoft Excel spreadsheet, and be notified whenever that item changes.DDE was partially superseded by Object Linking and Embedding (OLE), but remains used for simple interprocess communication tasks.t allows one program to subscribe to items made available by another program, for example a cell in a Microsoft Excel spreadsheet, and be notified whenever that item changes. DDE was partially superseded by Object Linking and Embedding (OLE), but remains used for simple interprocess communication tasks.