Jadzia: Curzon would be horrified to know that I'm a scientist.
Jadzia's words to Lenara about Curzon create a continuity error. In the third season episode "Facets
", Curzon became reanimated in the body of Odo and was able to talk with Jadzia. Spending quite a while in the body of Odo, and being a former Starfleet officer himself, Curzon most assuredly knew that Jadzia was a science officer.