AUG是甲硫氨酸的密码子,又是肽链合成的起始密码子。人体血清白蛋

AUG是甲硫氨酸的密码子,又是肽链合成的起始密码子。人体血清白蛋白的第一个氨基酸并不是甲硫氨酸,这是新生肽链经加工修饰的结果。加工修饰的场所是

A.内质网和高尔基体                 B.高尔基体和溶酶体

C.内质网和核糖体                D.溶酶体和核糖体

 

答案

A

核糖体是蛋白质的合成场所,加工修饰场所是内质网和高尔基体.溶酶体与蛋白质的合成加工修饰没有关系

 

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