47.下視丘疾病可造成gonadotropin releasing hormone (GnRH) 分泌失調,致使腦下腺luteinizing hormorne(LH),folliclestimulating hormone(FSH)亦分泌失調,可能造成女性不孕。GnRH作用於G protein coupled receptor後,主要可活化 phospholipase C,下列敘述何者錯誤?
(A)phospholipase C可分解phosphatidylinositol 4,5-bisphosphate(PIP2
(B)phosphatidylinositol 4,5-bisphosphate(PIP2)被分解為inositol 1,4,5-trisphosphate(IP3)及diacylglycerol(DAG)
(C)diacylglycerol(DAG)可直接活化protein kinase A
(D)inositol 1,4,5-trisphosphate(IP3)可使內質網內之Ca2+釋放

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統計: A(10), B(5), C(341), D(7), E(0) #1384996

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protein kinase A 對 c...
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