题目内容 (请给出正确答案)
提问人:网友f******g 发布时间:2023年8月15日 20:49
[单项选择题]

骨骼肌细胞膜上的受体是()

A.β1

B.β2受体

C.M受体

D.N1受体

E.N2受体

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