英语语法分析

Phosphatidic acid (PA) is an important intracellular signal molecule and is called the lipid second messenger because several targets of PA have especially been cloned and identified.

磷脂酸(phosphatidicacid, PA)是植物中重要的细胞内信号分子，被称为“脂质第二信使”，特别是几个PA的作用靶点已被克隆和鉴定。