One difference between gene regulation in prokaryotes and eukaryotes is that prokaryotes do not store their genes in a nucleus like eukaryotes do. In prokaryotes, the genetic material is located in a nucleoid region, while in eukaryotes, it is contained within a membrane-bound nucleus. This structural difference has significant implications for the regulation of gene expression in the two types of organisms.
The other options you provided contain inaccuracies:
- Prokaryotes do not typically remove exons from mRNA; instead, their mRNA is usually polycistronic and does not undergo extensive post-transcriptional modification like eukaryotic mRNA.
- Prokaryotic gene transcription is often regulated by environmental stimuli, while eukaryotes have more complex regulatory mechanisms.
- Operons are a common feature in prokaryotic gene organization, not in eukaryotes, which typically have individual gene control.
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