Linked from
The 7 pages that link to Non-coding RNA, each with the reason it gives.
GeneCompared with: Some genes produce functional RNA rather than protein.
MicroRNANarrower topic: MicroRNAs belong to this broad class of functional RNAs.
TranscriptomeRelated: Transcriptomes include functional RNAs that are not translated into proteins.
EpigenomeRelated: Some non-coding RNAs help establish or maintain epigenetic states.