| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| When harmful substances enter the body these proteins neutralize or destroy | antibodies | $300 | J | BIOLOGY | 1991-09-04 | #1608 | |
| To neutralize antigens, the body forms these proteins that also begin with "anti" | antibodies | $600 | DJ | BIOLOGY | 1991-01-31 | #1484 |