Distinct molecules called agglutinogens (a type of antigen) are attached to the surface of red blood cells. There are two different types of agglutinogens, type A and type B. Each type has different properties.
MDB: Geodatabase. The geodatabase is a collection of geographic datasets of various types, with the most basic types being vector, raster, and tabular data. There are three types of geodatabases: file, personal, and ArcSDE. Geodatabases are the native data format for ESRI's ArcGIS.
PE Format. Executable (image) files are structured according to the Portable Executable (PE) format. For a description of this format, see the specification available for download from the following location: http://www.microsoft.com/whdc/system/platform/firmware/PECOFF.mspx. ADD.