Biology Practice Problems Eukaryotic Gene Regulation Practice Problems Solution: Which of the following is NOT true about gene expr...

Solution: Which of the following is NOT true about gene expression in Eukaryotes?A. Gene expression can be regulated in the nucleus epigenetically.B. Gene expression can be regulated transcriptionally by RNA editing.C. Gene expression can be regulated in the cytoplasm by translation.D. Gene expression can be regulated in the nucleus by post-translational modifications.E. None of the above (all of the above statements are TRUE)

Problem

Which of the following is NOT true about gene expression in Eukaryotes?

A. Gene expression can be regulated in the nucleus epigenetically.

B. Gene expression can be regulated transcriptionally by RNA editing.

C. Gene expression can be regulated in the cytoplasm by translation.

D. Gene expression can be regulated in the nucleus by post-translational modifications.

E. None of the above (all of the above statements are TRUE)

Solution

Eukaryotes have many mechanisms that contribute to the regulation of the gene. In the nucleus, the genes may be regulated by the methylation and acetylation of nucleotides. Furthermore, when they are to be transcribed, RNA splicing can be done that would result in a variety of actual transcription products. This post-transcriptional mechanism is known as RNA splicing and it is basically a form of RNA editing.

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