What is one difference between gene regulation in prokaryotes and eukaryotes?(1 point) Responses Prokaryotes do not store their genes in a nucleus like eukaryotes do. Prokaryotes do not store their genes in a nucleus like eukaryotes do. Eukaryotes transcribe genes in response to environmental stimuli while prokaryotes transcribe genes randomly. Eukaryotes transcribe genes in response to environmental stimuli while prokaryotes transcribe genes randomly. All eukaryotes use operons to organize their genes while prokaryotes do not. All eukaryotes use operons to organize their genes while prokaryotes do not. Prokaryotes remove exons from mRNA before translation while eukaryotes translate the entire sequence of mRNA. Prokaryotes remove exons from mRNA before translation while eukaryotes translate the entire sequence of mRNA.
Prokaryotes remove exons from mRNA before translation while eukaryotes translate the entire sequence of mRNA.
What would happen if a cell transcribed and translated a gene’s intron by mistake?(1 point) Responses Additional amino acids would be inserted into the chain. Additional amino acids would be inserted into the chain. Errors in the protein folding would be repaired. Errors in the protein folding would be repaired. The DNA would remain the same as before. The DNA would remain the same as before. The intron would begin to duplicate itself.
Additional amino acids would be inserted into the chain.
The correct answer is: Prokaryotes remove exons from mRNA before translation while eukaryotes translate the entire sequence of mRNA.
To arrive at this answer, we need to compare and contrast gene regulation in prokaryotes and eukaryotes.
In prokaryotes, gene regulation primarily occurs at the level of transcription. They do not have a nucleus, so transcription and translation can occur simultaneously in the cytoplasm. Prokaryotes use operons, which are clusters of genes that are transcribed together as a single unit, to organize their genes. Gene expression in prokaryotes is often controlled by the binding of regulatory proteins to specific DNA sequences, such as promoters and operators.
In eukaryotes, gene regulation is much more complex and occurs at multiple levels. They have a nucleus where transcription occurs, and the mRNA is then processed and transported to the cytoplasm for translation. Eukaryotes do not use operons to organize their genes, but instead, each gene has its own promoter, enhancers, and other regulatory elements. Eukaryotes also have introns and exons in their genes. Before translation, eukaryotes remove the noncoding introns from the pre-mRNA to produce mature mRNA. This process is called splicing. As a result, the translated mRNA in eukaryotes contains only the exons and encodes the entire protein.
Therefore, the correct difference between gene regulation in prokaryotes and eukaryotes is that prokaryotes remove exons from mRNA before translation while eukaryotes translate the entire sequence of mRNA.