Both gram-positive and gram-negative bacteria commonly have a surface layer called an S-layer. In gram-positive bacteria, the S-layer is attached to the peptidoglycan layer (in gram-negative bacteria, the S-layer is attached directly to the outer membrane).
The Battle of 1st Manassas (1st Bull Run). (Battle Map). The first major battle of the Civil War was fought in Virginia, near the Manassas, Virginia railway junction, after which the battle is called (or First Bull Run, named after the flowing stream on the battlefield, if of the Union persuasion).
What battle ended the North's hopes for a short war and was also a Union defeat? The First Battle of Bull Run, also known as First Manassas was the first significant land battle of the American Civil War. The intention was to quickly capture the Confederatâ¦e capitol of Richmond, Virgina.