問題詳情
37 當空腹二小時以上，血中「insulin/glucagon」下降，glucagon作用到肝細胞， 肝細胞內protein kinaseA (PKA)：
(A) activated by covalent binding of cAMP
(B) allosterically activated by cAMP
(C) competitively inhibited by cAMP
(D) noncompetitively inhibited by cAMP
參考答案
答案：B
難度：困難0.333333
統計：A(1),B(1),C(0),D(0),E(0)
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