Which of the following statements about regulation of the eukaryotic gene expres

Question

Which of the following statements about regulation of the eukaryotic gene expression is INCORRECT? The presence of a nuclear membrane separating transcription and translation in eukaryotes led to the evolution of additional mechanisms of gene regulation. In eukaryotes, most structural genes are found within operons. Eukaryotic mRNAs are generally more stable than prokaryotic mRNAs. The rate of degradation of mRNAs is important in regulation in eukaryotes. Post-translational regulation of histones is unique to the eukaryotes.

Explanation / Answer

Ans. INCORRECT --> In eukaryotes, most structural genes are found within operons.

Operons occur primarily in prokaryotes but also in some eukaryotes, including nematodes such as C. elegans and the fly, Drosophila melanogaster. rRNA genes often exist in operons that have been found in a range of eukaryotes including chordates.

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