9 letters · 25 points in Scrabble
noun a protein that combines with a coenzyme to form an active enzyme
originEtymology tree Proto-Indo-European *h₂ep Proto-Indo-European *-o Proto-Indo-European *h₂epó Proto-Hellenic *apó Ancient Greek ᾰ̓πό (ăpó) Ancient Greek ᾰ̓πο- (ăpo-)bor. English apo- English enzyme English apoenzyme From apo- + enzyme.
Etymology from Wiktionary, CC BY-SA 3.0