enzyme action的用法和樣例：
例句
- As one of the flavoring components and the important substance to barm cell formation, carboxylic acids are helpful for enzyme action.
啤酒中的有機酸是構成酵母細胞組織的重要物質，有利於酶作用，是組成啤酒風味物質成分之一。 - Folate is a cofactor for this enzyme, which is part of the pathway of homocysteine metabolism in cells.
葉酸為此酶作用后的產物，同時此酶也是細胞內同型半胱胺酸的部分代謝去路。
