Some pandas don't know how to have sex. iStock/Thinkstock. Giant pandas may be unknowingly contributing to their place on the endangered species list. Female pandas are able to mate only two or three days per year and some males don't know how to do the deed.
The Office of National Drug Control Policy (ONDCP) is a component of the Executive Office of the President (EOP) responsible for running the federal governmentâs anti-drug programs.
Thermo Scientific Pierce PNPP (p-nitrophenyl phosphate) is a colorimetric, soluble substrate of alkaline phosphatase for use in ELISA applications. Features of PNPP (p-nitrophenyl phosphate): â¢ One-component alkaline phosphatase (AP) substrate. â¢ Absorbance maximum of 405nm.