Scopolamine is a first-line medication for prevention of motion sickness and should be administered transdermally several hours before the anticipated motion exposure. First-generation antihistamines, although sedating, are also effective.
Mycolic acid. Mycolic acids are long fatty acids found in the cell walls of the mycolata taxon, a group of bacteria that includes Mycobacterium tuberculosis, the causative agent of the disease tuberculosis. They form the major component of the cell wall of mycolata species.
Quick Answer. Teichoic acid is a structure found exclusively in gram-positive bacterial cell walls. This acid is formed through the joining of either glycerol phosphate or ribitol phosphate groups linked together with phosphodiester bonds. This structure is a polysaccharide with an overall negative charge.