Exotoxins are ________, but Endotoxins are ________

Question

Exotoxins are ________, but endotoxins are ________.
A) lipopolysaccharide-lipoprotein complexes / proteins
B) carbohydrates / proteins
C) lipids / proteins
D) proteins / lipopolysaccharide-lipoprotein complexes

Accepted Answer

Exotoxins are proteins secreted by certain bacteria that can cause damage to the host, while endotoxins are part of the outer membrane of the cell wall of Gram-negative bacteria, consisting of lipopolysaccharide-lipoprotein complexes.