問題詳情

48. In vertebrate eyes, the conversion of light energy to chemical energy occurs most directly as the result of changes to
(A)cyclin AMP.
(B)cyclic GMP.
(C)opsin.
(D) retinal.
(E)transducin.

參考答案

答案：D
難度：困難0.363636
統計：A(1),B(4),C(9),D(12),E(1)