How can I effectively memorize complex biochemical pathways for my upcoming Organic Chemistry II midterm exam?

I am a sophomore biology major currently struggling to retain the reaction mechanisms required for my professor's cumulative midterm next week. I have already tried rewriting my notes multiple times and using standard flashcards, but I keep confusing the electron-pushing steps during practice problems. Could you suggest a more active recall strategy specifically for chemical processes that helps with long-term retention under time pressure? I really need a way to organize these pathways so I don't blank out during the actual test.