Four of the five choices listed below are steps in the process of transcription. Select the exception.
a. promoter sequence
b. introns snipped out
c. action by DNA polymerase
d. exons spliced out
Biology Question?
its d....exons r never spliced out
Reply:Its d however, what is one cells exon may be another cells intron. So exons could be spliced out, this is called alternative splicing in which different proteins are made from the same gene.
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