you isolate a mature mrna from a mixed experimental sample. you want to determine if it is a eukaryotic or prokaryotic mrna. what can you look for in the mrna to distinguish between mature prokaryotic and eukaryotic mrnas?

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26-10-2022
Biology

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you isolate a mature mrna from a mixed experimental sample. you want to determine if it is a eukaryotic or prokaryotic mrna. what can you look for in the mrna to distinguish between mature prokaryotic and eukaryotic mrnas?

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contexto1212 contexto1212 · Answer 1 · 2022-10-30T05:09:15-04:00

One should look for the presence and absence of a 3' tail and 5' cap to differentiate between prokaryotic and eukaryotic mRNAs.

The transcription products of prokaryotes and eukaryotes are prokaryotic and eukaryotic mRNA, respectively. All eukaryotic mRNAs have poly-A tails and caps in the 5' end. However, mRNAs produced by bacteria and other prokaryotes lack these two features.

some other differences between prokaryotic and eukaryotic mRNAs are:

The polycistronic nature of prokaryotic mRNA and the monocistronic nature of eukaryotic mRNA
Additionally, whereas eukaryotic mRNA only contains a single gene transcribed into an mRNA molecule, multiple structural genes of an operon are transcribed into a single mRNA.In addition,
transcription occurs concurrently with translation in prokaryotes, whereas transcription occurs after transcription in eukaryotes.

Know more about mRNAs here: https://brainly.com/question/12388408

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