In contrast to proteins, which can have either a net positive or net negative charge, nucleic acids have a consistent negative charge imparted by their phosphate backbone, and migrate toward the anode. Proteins and nucleic acids are electrophoresed within a matrix or gel.
USAePay is a payment gateway that offers a POS solution and a virtual terminal. The company was founded in 1998 by GorCorp, a family-owned business. GorCorp still operates USAePay today. The payment gateway began by specializing in the e-commerce industry.
USAA is a four-letter acronym that stands for a wide variety of organizations and at least one act of Congress: 1  USAA United States Apnea Association. 2  USAA United Scenic Artists of America. 3  USAA United Services Automobile Association.  USAA United Sports Athletic 1  Association. USAA United States Achievement Academy.