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1.同一物种的两类细胞各产生一种分泌蛋白,组成这两种蛋白质的各种氨基酸含量相同,但排列顺序不同。其原因是参与这两种蛋白质合成的是(A). tRNA 种类不同(B). mRNA碱基序列不同(C).核糖体
問題詳情
1.同一物种的两类细胞各产生一种分泌蛋白,组成这两种蛋白质的各种氨基酸含量相同,但排列顺序不同。其原因是参与这两种蛋白质合成的是
(A). tRNA 种类不同
(B). mRNA碱基序列不同
(C).核糖体成分不同
(D).同一密码子所决定的氨基酸不同
參考答案
答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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