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試卷名稱：113年 - 113 國立臺灣大學_轉學生招生考試：普通生物學(A)#125303
年份：113年
科目：研究所、轉學考(插大)-普通生物學
20. Which of the following statements about second messengers is correct?
(A)Second messengers are used in communication between cells.
(B) Each chemical class of second messengers produces the same physiological response in all cell types.
(C)Second messengers are water-soluble small molecules.
(D) Second messengers are constantly found at high concentrations in the cytoplasm.
