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。
2.
The mitochondria presents several defense systems , of which the ubiquinone ( coenzyme q10 ) , which is one of the components of the respiratory chain and which has a significant antioxidant function acting upon membrane proteins 线粒体具有几种防御系统，泛醌（辅酶q10 ）是呼吸链的组成成分之一，在膜蛋白质上具有重要的抗氧化功能。
3.
The product chorismate of this pathway is precursor to the synthesis of the aromatic amino acids phenylalanine , tyrosine , and tryptophan as well as other essential aromatic secondary metabolites such as ubiquinone , menaquinone and vitamin k . phosphoenolpyruvate and shikimate 3 - phophate are converted to 5 - enolpyruvlshimimate - 3 - phosphate and phosphate 芳香族氨基酸苯丙氨酸、酪氨酸、色氨酸和其它一些必需代谢物如泛醌、维生素k2类、维生素k的起始物是莽草酸途径所产生的分枝酸。
