Answer
(b) Antitoxin (d) Toxoid (e) Superantigen (c) Perforin (a) Subunit vaccine
Work Step by Step
The following terms are defined as:
Antitoxin- Neutralizing antibodies
Toxoid- Antigenic but nontoxic derivative of a toxin
Superantigen- Bacterial exotoxin that activates a high percentage of T cells
Perforin- Secreted host defence protein that can lyse cells
Subunit vaccine- Part of a pathogen, rather than the complete cell or virus