Fimbriae flagellum group translocation helminth lipopolysaccharide (lps) a. type of pilus that enables cells to attach to a specific surface. b. molecule formed by bonding of lipid to polysaccharide; a part of the outer membrane of gram-negative bacteria c. (1) in prokaryotic cells, a long protein appendage composed of subunits of flagellin that provides a mechanism of motility. (2) in eukaryotic cells, a long whiplike structure composed of microtubules in a 9+2 arrangement that provides a mechanism of locomotion d. type of transport process that chemically alters a molecule during its passage through the cytoplasmic membrane e. a parasitic worm