| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| An electron type of this optical scientific instrument is used to magnify molecules for study | a microscope | $800 | DJ | MOLECULAR BIOLOGY | 2006-11-10 | #5100 | |
| It's what Anton van Leeuwenhoek saw his "little animals" under | a microscope | $200 | J | BIOLOGY | 1986-04-08 | #412 | |
| In 1600's, amateur Dutch scientist van Leeuwenhoek discovered bacteria by using this | a microscope | $800 | DJ | BIOLOGY | 1984-11-26 | #56 |