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究人员发现，肥胖可能与大脑中多巴胺的作用有关。多巴胺是一种重要的抑制性神经递质，它使突触后膜的膜电位增大，突触后神经不易发生兴奋，表现为突触后神经元活动的抑制。下列有传导的叙述，正确的是（）A.
突触前神经元释放多巴胺与高尔基体和线粒体有关
B.
突触小体可完成“电信号→化学信号→电信号”的转变
C.
神经递质作用于突触后膜后，将使突触后膜的电位逆转
D.
兴奋只能以局部电流的形式在多个神经元之间单向传递
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