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.
Description and significance. Francisella tularensis is a gram-negative bacteria (Gram-negative bacteria contain an outer membrane outside the peptidoglycan cell wall, unlike Gram-positive bacteria that have a thicker layer of cell wall and no outer membrane.