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.
Winston-Salem-area historical tornado activity is slightly below North Carolina state average. It is 25% smaller than the overall U.S. average. On 5/22/1985, a category F3 (max. wind speeds 158-206 mph) tornado 0.6 miles away from the Winston-Salem city center caused between $500,000 and $5,000,000 in damages.