The correct option is B ; Larger than; the same size as. A primary transcript in the nucleus of a eukaryotic cell is Larger than the functional mRNA, while a primary transcript in a prokaryotic cell is the same size the functional mRNA.
Because of the existence of introns in the main transcript, it is significantly longer than mature mRNA.
In contrast to eukaryotic cells, where pre M. RNA must be spliced to eliminate all introns, RNA transcripts are functional as soon as they are generated.
Eukaryotic transcription occurs within the nucleus, whereas Prokaryotic transcription occurs in the cytoplasm. Transcriptional factors are proteins that are required in Eukaryotic Transcription but not in Prokaryotic Transcription.
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Full Question :
A primary transcript in the nucleus of a eukaryotic cell is _____ the functional mRNA, while a primary transcript in a prokaryotic cell is _____ the functional mRNA.
a) the same size as; the same size as
b) larger than; the same size as
c) larger than; smaller than
d) the same size as; larger than
