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.
ArcMap, the central application and main component of Esriâs ArcGIS suite of geospatial processing programs, represents geographic information as a collection of layers in a map and is used primarily to view, edit, create, and analyze geospatial data.