The energy required for a chemical reaction to proceed. In biological systems,enzymes lower the activation energy,allowing chemical reactions to occur faster under physiological conditions.發(fā)生化學(xué)反應(yīng)所需要的能量。在生物系統(tǒng)中,酶可以降低反應(yīng)的活化能,使生理?xiàng)l件下的化......（本文共 214 字）     [閱讀本文] >>