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.
PEX Repipes: Versatile, Affordable, Guaranteed for Life! PEX â an acronym for PolyEthylene (PE) that is cross-linked (X) â is a durable, flexible, high-density plastic that is quickly becoming a favorite for home repipes. PEX plumbing systems require fewer fittings and less labor to install, so a PEX repipe is quite affordable.