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Gaokao Biology Practice Question

3.( 6分)下列关于动物激素的叙述,错误的是( )

  1. A.机体内、外环境的变化可影响激素的分泌
  2. B.切除动物垂体后,血液中生长激素的浓度下降
  3. C.通过对转录的调节可影响蛋白质类激素的合成量
  4. D.血液中胰岛素增加可促进胰岛 B细胞分泌胰高血糖素

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