46 下列何者是錯誤的激素作用機轉？ (A) TSH → G protein-coupled seven transmembrane receptor → protein kinase A (B) Insulin → tyrosine kinase receptor → mitogen activated protein kinase (C) Glucocrticoid → cytoplasmic nuclear receptor homodimer → nucleus hormone response element (D) Thyroid hormone → nuclear receptor homodimer → hormone response element