But things get much murkier when it is a task order for a defense customer issued against a civilian IDIQ. There are about a dozen protests pending at GAO right now that fall into that crossover category, where a defense agency used a GSA contract such as Alliant or OASIS to hire a contractor.
purified protein derivative (PPD). [pyoÌoÌâ²rifÄ«d]. a dried form of tuberculin used in testing for past or present infection with tubercle bacilli. This product is usually introduced into the skin during such tests and may produce a tuberculin reaction (wheal) within 48 to 72 hours.
From Functional long-range RNAâRNA interactions in positive-strand RNA viruses. A linear representation of a generic positive-strand RNA viral genome is shown with the encoded proteins represented by cylinders. The viral protein that is encoded at the 5â² end, p1 (for example, the viral RNA-dependent RNA polymerase (RdRp)), is translated directly from the genome.