A dough composition for making a high protein, low carbohydrate bread, the dough containing at least 5% vital wheat gluten, a hydrolyzed wheat protein having a degree of hydrolysis from about 0. The data selection apparatus includes search units and a unit output control device. The system end applications provide a searchable database of users, goods and services and provides user and transaction verification and processing. The operational amplifier couples to the gain control circuit and amplifies the data signal by the gain signal to generate a processed signal.