英语语法分析

Vitellogenin is the key factor in vitellogenesis in insects.

卵黄原蛋白是昆虫卵黄发生的关键物质。

It was proved that vitellogenin is synthesized in ovary and hepatopancreas in mature female shrimp through the RT-PCR method.

通过RT - P CR证实了雌虾的卵巢和肝胰腺是卵黄蛋白原的合成位点。

Recently, vitellogenin has been studied extensively as a biomarker for the screening of environmental endocrine disrupting chemicals.

近年来，卵黄蛋白原作为环境内分泌干扰物的“生物标志物”，得到了较深入的研究。