問題詳情
56. Testosterone functions inside a cell by _____.
(A) acting as a signal receptor that activates ion-channel proteins
(B) binding with a receptor protein that enters the nucleus and activates specific genes
(C) acting as a steroid signal receptor that activates ion-channel proteins
(D) becoming a second messenger that inhibits adenylyl cyclase
(E) coordinating a phosphorylation cascade that increases glycogen metabolism
(A) acting as a signal receptor that activates ion-channel proteins
(B) binding with a receptor protein that enters the nucleus and activates specific genes
(C) acting as a steroid signal receptor that activates ion-channel proteins
(D) becoming a second messenger that inhibits adenylyl cyclase
(E) coordinating a phosphorylation cascade that increases glycogen metabolism
參考答案
答案：B
難度：適中0.678571
統計：A(2),B(19),C(4),D(1),E(0)
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