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.
Definition of:DDNS. (D ynamic DNS) A service that lets anyone on the Internet gain access to resources on a local network when the Internet address of that network is constantly changing.Such resources are typically a Web server, Webcam or a PC for remote control operation.or residential users of Foscam's IP network cameras, the company offers its own DDNS service to allow remote access to the camera. As in this example, a DDNS URL is assigned to a new user in case the Internet provider changes the IP address.