Health Boards


My Profile

Health Boad

Health Jobs


Health Tools


To describe a prokaryotic cell whose cell wall stains pink (negative) in Gram stain. The cell wall of a gram-negative bacterium contains relatively little peptidoglycan but contains an outer membrane composed of lipopolysaccharide (LPS), lipoprotein, and other complex macromolecules.

Selected Gram-negative links:

© 1997-2006 is a purely informational website, and should not be used as a substitute for professional legal, medical or technical advice.