阿摩線上測驗
12. Which of the following events occurs first as a result of EGF binding to its receptor?
(A) Activation of a GTPase
(B) Activation of a phospholipase
(C) Activation of a tyrosine phosphatase
(D) Activation of a tyrosine kinase
(E) None of the above
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統計： A(0), B(1), C(1), D(2), E(0) #3420914
統計： A(0), B(1), C(1), D(2), E(0) #3420914
