問題詳情
2. Which of the following is a protein synthesized at specific times during the cell cycle that associates with akinase to form a catalytically active complex?
(A) PDGF
(B) MPF
(C) protein kinase
(D) cyclin
參考答案
答案：D
難度：適中0.633333
統計：A(0),B(6),C(3),D(19),E(0)