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.
surface. The cell walls of archaea contain polysaccharides and proteins, but lack peptidoglycan. The Gram stain is a valuable tool for identifying specific bacteria based on differences in their cell walls. â Gram-positive bacteria have simple cell walls with large amounts of peptidoglycans.he cell walls of archaea contain polysaccharides and proteins, but lack peptidoglycan. The Gram stain is a valuable tool for identifying specific bacteria based on differences in their cell walls. â Gram-positive bacteria have simple cell walls with large amounts of peptidoglycans.