In eukaryotic cells, the immediate precursor of mRNA is known asGroup of answer choicesTransfer RNA (tRNA)Ribosomal RNA (rRNA)Small nuclear RNA (snRNA)Heterogeneous nuclear RNA (hnRNA)There is no precursor to mRNA bexcause mRNA is the immediate product of transcription in eukaryotic cells.
Question
In eukaryotic cells, the immediate precursor of mRNA is known asGroup of answer choicesTransfer RNA (tRNA)Ribosomal RNA (rRNA)Small nuclear RNA (snRNA)Heterogeneous nuclear RNA (hnRNA)There is no precursor to mRNA bexcause mRNA is the immediate product of transcription in eukaryotic cells.
Solution
The immediate precursor of mRNA in eukaryotic cells is known as Heterogeneous nuclear RNA (hnRNA). This is because, during the process of transcription in eukaryotic cells, the initial product is hnRNA. This hnRNA then undergoes a series of modifications including splicing, 5' capping, and 3' polyadenylation to become mature mRNA. Therefore, the correct answer is Heterogeneous nuclear RNA (hnRNA).
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