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.
For other uses, see The Day the Music Died (disambiguation). On February 3, 1959, rock and roll musicians Buddy Holly, Ritchie Valens, and J. P. The Big Bopper Richardson were killed in a plane crash near Clear Lake, Iowa, together with pilot Roger Peterson. The event later became known as The Day the Music Died, after singer-songwriter Don McLean so referred to it in his 1971 song American Pie.