The outer membrane of an E. coli cell contains millions of lipopolysaccharide (LPS) molecules, which consists of: 1  O antigen, a polymer of immunogenic repeating oligosaccharides (1â40 units) 2  Core region of phosphorylated nonrepeating oligosaccharides. 3  Lipid A (endotoxin)
Buddy Holly (born Charles Hardin Holley; September 7, 1936 â February 3, 1959) was an American musician and singer-songwriter who was a central figure of mid-1950s rock and roll. Holly was born in Lubbock, Texas, to a musical family during the Great Depression; he learned to play guitar and to sing alongside his siblings.
Pilot was 'unfairly blamed for crash that killed Buddy Holly and should be hailed a hero for trying to avert disaster' Buddy Holly, 22, killed in the crash on February 3, 1959, in Clear Lake, Iowa Singers Ritchie Valens, J.P. Richardson and pilot Roger Peterson also died Crash ruled to be caused by pilot error during inclement weather