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Which is not involved in post-transcriptional control?

a) riboswitch
b) DNA methylation
c) microRNA
d) RNA interference

1 Answer

5 votes

Final answer:

DNA methylation is not involved in post-transcriptional control; this process is related to transcriptional regulation and occurs at the DNA level, not on the RNA.

Step-by-step explanation:

The component not involved in post-transcriptional control is b) DNA methylation. Post-transcriptional control includes mechanisms that occur after the RNA molecule has been created but before it is translated into protein, and involves a variety of processes including the control of RNA splicing, RNA shuttling, RNA stability, and the activity of microRNAs and RNA interference. DNA methylation, on the other hand, is a form of epigenetic regulation that generally affects transcriptional control rather than post-transcriptional events.

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