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Form and Function B.4 Organelles & Compartmentalization (id: 520882626)

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admin 发表于 2024-2-6 09:52:27 | 显示全部楼层 |阅读模式
本题目来源于试卷: Form and Function B.4 Organelles & Compartmentalization,类别为 IB生物学

[单选题]
Which of the following processes occur in prokaryotic cen /1c 2txqqj iwuqs3.,lls but not eukaryotid*e-p//1 u04mvbz bw: yninv yc cell-ybwznmyv : 0n4/ /bpe v*d1uis?

A. Transcription takes place in the cytoplasm
B. mRNA splicing
C. Regulation of transcription
D. Translation of mRNA into a polypeptide chain


参考答案:  A


本题详细解析:

Choice A is correct because there is no compartmentalisation in prokaryotes, hence transcription and translation both take place in the cytoplasm.

Choice B is incorrect because mRNA splicing does not occur in prokaryotes, but does occur in the nucleus of eukaryotic cells. Choice C and D are incorrect because the regulation of transcription and translation of mRNA into a polypeptide chain occurs in both prokaryotes and eukaryotes.

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