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Gaokao Biology Practice Question

下列有关人体内激素的叙述, 正确的是

  1. A.运动时, 肾上腺素水平升高, 可使心率加快, 说明激素是高能化合物
  2. B.饥饿时,胰高血糖素水平升高,促进糖原分解,说明激素具有酶的催化活性
  3. C.进食后,胰岛素水平升高,其既可加速糖原合成,也可作为细胞的结构组分
  4. D.青春期,性激素水平升高,随体液到达靶细胞,与受体结合可促进机体发育

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