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#Question id: 3872


Processing of a primary mRNA transcript in a eukaryotic cell does not normally involve:

#SCPH06 I Botany
  1. attachment of a long poly(A) sequence at the 3' end.

  2. conversion of normal bases to modified bases, such as inosine and pseudouridine.

  3. excision of intervening sequences (introns).

  4. joining of exons.


Answer:- Option(s): 2


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