Bacterial Endotoxin. Â© Kenneth Todar, PhD. Endotoxins are part of the outer membrane of the cell wall of Gram-negative bacteria. Endotoxin is invariably associated with Gram-negative bacteria whether the organisms are pathogenic or not.
â¢ A WorldWeb.com Travel Guide to Airlines in Winston-Salem, NC, North Carolina. Listings. American Airlines. With world headquarters in Dallas, Texas, American Airlines and its commuter subsidiary American Eagles provide service to North America and throughout the world. American is a member of the One World Alliance.
Popular Destinations Similar to Winston - Salem. Winston - Salem Flights & Plane Tickets. Winston-Salem is known for being one of the most beautiful locations in the state of North Carolina, and there are lots of exciting things to do and amazing things to see when you visit this popular tourist spot.