2. Which statement is incorrect for microbial toxins?(A) Botulinum toxins can inhibit the release of neurotransmitter from nerve endings.(B) Alfatoxin B1 is the most toxic aflatoxin, which can induce liver injury and cause liver cancer in humans.(C) Cholera toxin disrupts ion transport of intestinal cells, leading to severe diahhea.(D) Endotoxins are components of the outer membrane of Gram-positive bacteria.(E) Saxitoxin is a member of algal toxins (or cyanotoxins) and can cause paralytic shellfish poisoning.