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in the cytoplasm
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What are three differences between transcription in prokaryotes and transcription in eukaryotes?
In prokaryotes, transcription occurs in the cytoplasm since they lack a nucleus, while in eukaryotes, transcription occurs in the nucleus. Prokaryotic transcription is often coupled with translation, meaning ribosomes can start translating mRNA even before transcription is complete, whereas in eukaryotes, transcription and translation are spatially and temporally separated. Prokaryotic mRNA does not typically undergo extensive processing (such as splicing or capping) after transcription, whereas eukaryotic mRNA is extensively processed before being translated.
Active DNA transcription in eukaryotes occurs?
Transcription takes place in the nucleus of eukaryotic cells.
Why is protein synthesis different in prokatyke and euroaytes?
Prokaryotes do not have a distinct nucleus, so transcription and translation both occur in the cytoplasm simultaneously. In eukaryotes, transcription occurs in the nucleus while translation occurs in the cytoplasm, separated by nuclear envelope. Furthermore, eukaryotes have additional complexity due to post-transcriptional modifications and protein processing that prokaryotes lack.
-Know the site of transcription?
Transcription takes place in the cell nucleus in eukaryotes, where the DNA is transcribed into messenger RNA (mRNA) by RNA polymerase enzymes. In prokaryotes, transcription occurs in the cytoplasm since they lack a distinct nucleus.
Where in the cell does transcription and translation happen?
In prokaryotes (cells without nuclei), both transcription makes RNA from DNA and translation makes proteins from mRNA in the cytoplasm. In eukaryotes (cells with nuclei), transcription occurs in the nucleus, while translation occurs in the ribosomes of the cytoplasm.
What kind of organisms use transcription factors?
Eukaryotes
In prokaryotes most of the control of protein synthesis occurs at the level of what?
In prokaryotes, most of the control of protein synthesis occurs at the level of transcription initiation. This is achieved through the regulation of RNA polymerase activity, binding of transcription factors, and modulation of promoter sequences. Ribosomes then translate the mRNA into proteins following transcription.
Why is protein synthesis different in pakaryotes and eukaryotes?
Protein synthesis differs in prokaryotes and eukaryotes primarily due to cellular structure and compartmentalization. In prokaryotes, transcription and translation occur simultaneously in the cytoplasm since they lack a defined nucleus. In contrast, eukaryotes have a nucleus where transcription occurs, followed by RNA processing before translation takes place in the cytoplasm. Additionally, eukaryotic mRNA undergoes modifications like capping and polyadenylation, which are not present in prokaryotic mRNA.
What are the differences in the process of translation between prokaryotes and eukaryotes?
In prokaryotes, translation occurs in the cytoplasm and can start before transcription is complete. In eukaryotes, translation occurs in the cytoplasm but the mRNA must first be processed and transported out of the nucleus before translation can begin. Additionally, eukaryotic ribosomes are larger and more complex than prokaryotic ribosomes.
What marks the end of the gene during transcription?
The end of a gene during transcription is marked by specific sequences known as terminators. These sequences signal RNA polymerase to stop synthesizing RNA and detach from the DNA template. In eukaryotes, additional processing, such as the addition of a poly-A tail, occurs after transcription termination to finalize the mRNA molecule.
Why is protein synthesis different in prokaryotes and eukaryotes Apex Learning?
Protein synthesis differs in prokaryotes and eukaryotes primarily due to their cellular structures. In prokaryotes, transcription and translation occur simultaneously in the cytoplasm, as they lack a defined nucleus. In contrast, eukaryotes have a compartmentalized structure where transcription occurs in the nucleus and translation takes place in the cytoplasm, allowing for additional processing of mRNA before it is translated. These differences reflect the complexity of eukaryotic cells compared to prokaryotic cells.
Protein synthesis in eukaryotes and prokaryotes?
Protein synthesis occurs in cellular structures called ribosomes , found out-side the nucleus. The process by which genetic information is transferred from the nucleus to the ribosomes is called transcription. During transcription, a strand of ribonucleic acid (RNA) is synthesized.
