Coenzyme Q (ubiquinone) A coenzyme that is an essential component of the respiratory electron-transport chain.

辅酶Q：一种在呼吸作用的电子传递链中起重要作用的辅酶。

FMN (flavin mononucleotide) A derivative of riboflavin that is a coenzyme in electron-transfer reactions.

黄素单核苷酸（FMN）：核黄素的衍生物，在电子传递反应中是一种辅酶，作为多种脱氢酶的辅助因子起作用。

A cofactor bound loosely to the apoenzyme and readily separable from it is a coenzyme.

与脱辅基蛋白结合松弛、易于与之分离的辅基因子称为辅。