Which of the following is a difference in how RNA is processed between bacteria and eukaryotes?...
Which of the following is a difference in how RNA is processed between bacteria and eukaryotes?
Group of answer choices
a In bacteria, the same RNA transcript may be bound to both RNA polymerase and rRNA at the same time, but this is not possible in eukaryotes
b The 5' UTR region is removed in bacteria, but not in eukaryotes
c In bacteria, transcription takes place in the nucleus and translation takes place in the cytoplasm, but these occur in the same place in eukaryotes
d A 5' cap is added to bacterial RNA, and a 3' cap is added to eukaryotic RNA
Homework Answers
Option a
Transcription and translation are a coupled process in prokaryotes and both the process occurs in the cytoplasm. The prokaryotes also have polycistronic mRNA that can encode several proteins. This is the reason why the same RNA transcript may be bound to both RNA polymerase and rRNA at the same time in prokaryotes. In eukaryotes this is not possible as, transcription occurs in nucleus while translation occurs in the cytoplasm. From the above statement we can say that the option a is correct and option c is incorrect.
Options b and d are also incorrect because the untranslated region is reported to be found both in prokaryotes as well as eukaryotes, but the length and composition varies. On the other hand the 5′ capping occurs in eukaryotes, where the 5’ cap is found on the 5′ end of an mRNA molecule, and the cap consists of a guanine nucleotide linked to mRNA by 5′ to 5′ triphosphate linkage.
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In eukaryotes, the addition of a 5' cap and 3' polyadenylation... refer to post-translational modifications occur in the cytoplasm refer to modifications of tRNA are regulated in part by the CTD of RNA polymerase II UD A. seunit Star Transcription activators can function at different steps, which of the following is not one of these steps? releasing RNA polymerase from pause recruiting RNA polymerase to the promoter region/ catalyzing addition of the 5 methyl cap...
Please answer
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Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic DNA is linear and bacterial and archaeal DNA is-linear. In prokaryotes, ribosomes attach to the mRNA and start protein synthesis even before transcription is completed. Eukaryotic mRNA, rRNA, and tRNA are all highway processed. Nuclear pore complexes control the entry and exit to and from the nucleus. They will not let mRNA exit the nucleus before it is full processed. Eukaryotic and archaeal DNA...
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