問題詳情
40. 下述哪個敘述最能描述配體(ligand)與 G 蛋白耦合受體(G protein-coupled receptor)結合後立即發生的效應?
(A)G 蛋白三聚體釋放出一個 GDP 並與一個 GTP 結合
(B)G 蛋白三聚體與受體(receptor)分離
(C) G 蛋白三聚體與下游傳導蛋白(effector proteins)結合
(D) G 蛋白三聚體的阿爾發次單元(alpha subunit)被磷酸化
(E)G 蛋白三聚體與小 G 蛋白(small G protein)結合
(A)G 蛋白三聚體釋放出一個 GDP 並與一個 GTP 結合
(B)G 蛋白三聚體與受體(receptor)分離
(C) G 蛋白三聚體與下游傳導蛋白(effector proteins)結合
(D) G 蛋白三聚體的阿爾發次單元(alpha subunit)被磷酸化
(E)G 蛋白三聚體與小 G 蛋白(small G protein)結合
參考答案
答案:A
難度:困難0.333333
統計:A(19),B(6),C(8),D(13),E(0)
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