n.生物鐘

CRH is said to be "placenta bioclock" during pregnancy. 妊娠期CRH是分娩啟動的“生物鐘”。

..The diapause bioclock protein of Bombyx silkworm is count down clock which depends on esterase A4 (EA4), EA4 is the first confirmed time interval measuring enzyme. 家蠶滯育生物鐘是依賴卵內(nèi)酯酶A4(EA4)蛋白的倒計時型生物鐘。EA4是最早被確認的具時間間隔測定功能的酶。