all gram-positive bacteria have NO endotoxin except
listeria monocytogenes
all bacteria have cell walls composed of peptidoglycan except
mycoplasma pneumoniae
all bacterial capsules are composed of polysaccharide except
bacillus anthracis
- made of protein : polypeptide of d-glutamate
all exotoxins are heat-labile except
staphylococcal enterotoxin