題目下列何種接受器(receptors)主要位在細胞核內?A.離子通道型接受器(ionotropic receptors)B.G 蛋白質偶合接受器(G-potein-coupled receptors)C.類固醇激素接受器(steroid hormone receptors)D.酪胺酸激酶接受器(tyrosine kinase receptors)官方答案C