問題詳情

49. Which of following is NOT a second messenger in signal transduction?
(A) proton
(B) cAMP
(C) Ca2+
(D) inositol triphosphate (IP3)
(E) diacylglycerol (DAG)

參考答案

答案：A
難度：適中0.636364
統計：A(7),B(0),C(1),D(1),E(1)