To Detect Botulinum Toxin in Food, Suspect Food Is Injected

Multiple Choice

To detect botulinum toxin in food, suspect food is injected into two guinea pigs. The guinea pig that was vaccinated against botulism survives, while the one that was not vaccinated dies. This is an example of

A) Agglutination.
B) Fluorescent antibodies.
C) Hemagglutination.
D) ELISA.
E) Neutralization.