Area code 412 is a Pennsylvania area code that covers Pittsburgh and some of the surrounding areas.Area code 412 overlays the area code of 878. Pennsylvania has area codes of 215, 267, 272, 412, 484, 570, 610, 717, 724, 814, 878.The following map shows the coverage of 412 area code. The coverage area is shown in green.ennsylvania has area codes of 215, 267, 272, 412, 484, 570, 610, 717, 724, 814, 878. The following map shows the coverage of 412 area code.
The ampicillin resistance gene (AmpR) is called a selectable marker gene and is incorporated into several plasmids that are commonly used in a wide range of genetic engineering and molecular biology experiments.
Definition of AMPICILLIN. : a penicillin C16H19N3O4S that is effective against gram-negative and gram-positive bacteria and is used to treat various infections of the urinary, respiratory, and intestinal tracts.ADVERTISEMENT. a penicillin C16H19N3O4S that is effective against gram-negative and gram-positive bacteria and is used in anhydrous forms, as the trihydrate, or as the sodium salt to treat various infections of the urinary, respiratory, and intestinal tractsâsee penbritin.