<prompt> Endotoxin is pa of the outer poion of the cell wall of -Gram-positive bacteriaGram-negative bacteriaCandida albicansAll of the above  <response>: Endotoxins are heat stable lipopolysaccharides. Forms an integral pa of the cell wall of gram-negative bacteria. Do not diffuse into the surrounding medium. Reference : Anathanarayan panikers 9th edition, pg no:74 p 