如图为突触结构，下列分析中，正确的是 ①图示的结构包括3个神经元，含有3个突触②如果B受刺激，C会兴奋；如果A，B同时受刺激，C不会兴奋，则A释放的是抑制性递质③递质可与突触后膜的“受体”结合，“受

题干

如图为突触结构，下列分析中，正确的是（）

①图示的结构包括3个神经元，含有3个突触

②如果B受刺激，C会兴奋；如果A，B同时受刺激，C不会兴奋，则A释放的是抑制性递质

③递质可与突触后膜的“受体”结合，“受体”的化学本质是蛋白质

④A，B一定是轴突，C可能是树突

A：①②

B：②③

C：②③④

D：①②③

上一题下一题 0.0难度选择题更新时间:2019-07-07 10:44:35

C

根据表格内容, 选择正确答案。

(B)

Wang Wei	I can't sing or dance. I can play the guitar. But I couldn't play it three years ago.
Alice	I can sing and dance. I can also play the piano. When I was six, I couldn't play the piano at all.
James	I can swim and cook. I can't draw pictures. I could swim when I was five years old.
Liu Fang	I can perform ballet and dance to disco. I can also sing English songs. But I couldn't sing English songs two years ago.