||It is released outside the cell.
||It is present inside the cell membrane and released only when the cell lyse.
|| It is proteinous in nature.
||It is lipoproteinous in nature.
|| It is heat labile generally.
||It is heat stable generally.
||It is mostly secreted by gram positive bacteria.
||It is secreted by gram negative bacteria.
||It can be converted to toxoid.
||It cannot be converted to toxoid.
|| It often has enzymatic action.
||It does not have enzymatic activity.
||It is highly antigenic.
||It is less antigenic.
||It is highly toxic in minute dose.
||It is moderately toxic.
||It is filterable.
||It is not so filterable.
||It gets denatured by boiling.
||It does not get denatured.
||It is less stable.
||It is more stable.
||It has high degree of specificity.
||It has low degree of specificity.
||Its molecular weight ranges from 50-1000 kDa
||Its molecular weight is 10 kDa.
||Chromosomal genes contain synthesis.
||Extra chromosomal genes contain synthesis.
||Fever won’t occur in host.
||Fever occurs as it is pyrogenic to host.
||It causes botulism, gas gangrene, tetanus, cholera, plague, etc.
||It causes salmonellosis, typhoid fever, endotoxic shock.
Image source: thebiologynotes
Differences between exotoxin and endotoxin