Where RNA is present?

Question

in cytoplasm or nucleus or both of them.

Thank you for using the Jiskha Homework Help Forum. I'd begin with the information found on Wikipedia:

http://en.wikipedia.org/wiki/RNA (the basics)

http://en.wikipedia.org/wiki/RNA_interference (interference)

http://www.rnajournal.org/ (The RNA Publication with articles)

http://www.rnabase.org/primer/ (a primer on RNA)