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.
ampicillin. a broad-spectrum antibiotic, a penicillin of synthetic origin, adminsistered orally as the base or intramuscularly or intravenously as the sodium salt. It is effective against a broad spectrum of gram-positive and gram-negative bacteria.mpicillin. [amâ²pÉsilâ²in]. a semisynthetic aminopenicillin. indication It is prescribed in the treatment of infections caused by a broad spectrum of sensitive gram-negative and gram-positive organisms. contraindication Known hypersensitivity to any penicillin prohibits its use.