问题
单项选择题
经典神经递质与神经肽的区别在于（）。
A.两者分布部位不同
B.经典神经递质的分子量较神经肽大
C.神经肽由无活性前体蛋白加工而成
D.脑内神经肽较神经递质含量丰富
E.神经递质的调节相对较慢
答案
参考答案：C
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经典神经递质与神经肽的区别在于（）。
A.两者分布部位不同
B.经典神经递质的分子量较神经肽大
C.神经肽由无活性前体蛋白加工而成
D.脑内神经肽较神经递质含量丰富
E.神经递质的调节相对较慢
参考答案：C
| 根据短文内容，填写下面表格。 | ||||||||
| This is Alice White. She is from Canada. She is twelve years old. She studies in Fuzhou No.4 Junior High School. She is in Class Eight, Grade Seven. Alice looks very cute. She has big eyes and long red hair. She has two brothers. She and her brothers are in the same school but in different grades. Alice's favorite food is chicken. She has a pet dog. She likes dogs very much. | ||||||||
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