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Introns And Exons
Beginning of paper
AP. Biology essay
The finding of the Introns and the exons was one of the most significant
discoveries in genetics in the past fifteen years. split genes were discovered
when lack of relation between DNA sequences were seen during. DNA- mRNA
hybridation. For all new mRNA, they must be transcribed by RNA polymerase
enzymes. The transcription begi ....
Middle of paper .... exons the non-coding region called introns
exist. Before the translation of mRNA the introns must be spliced off.
Splicing is an complicated process for the cell. It must locate every intron in
the primary transcript. An average mRNA consists of eight to ten introns, some
even contain sixteen introns. exons, like introns are also spread apart. .... |
Word count: 653 |
Page count: 3 |
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