胰岛素是由“胰岛素原”在高尔基体内转变而成,“胰岛素原”有86

胰岛素是由“胰岛素原”在高尔基体内转变而成,“胰岛素原”有86个氨基酸,1条肽链;胰岛素含51个氨基酸,两条肽链。由此推知   

    A.编码胰岛素的基因至少含有312个碱基

    B.一个胰岛素分子的合成中最多有87tRNA分子的参与

    C.高尔基体中有催化肽键断裂的酶

    D.胰岛素原由核糖体直接转运到高尔基体中

答案

C

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