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  2. RNA - Wikipedia

    en.wikipedia.org/wiki/RNA

    Ribosomal RNA (rRNA) is the catalytic component of the ribosomes. The rRNA is the component of the ribosome that hosts translation. Eukaryotic ribosomes contain four different rRNA molecules: 18S, 5.8S, 28S and 5S rRNA. Three of the rRNA molecules are synthesized in the nucleolus, and one is synthesized elsewhere.

  3. Transcription (biology) - Wikipedia

    en.wikipedia.org/wiki/Transcription_(biology)

    In virology, the term transcription is used when referring to mRNA synthesis from a viral RNA molecule. The genome of many RNA viruses [a] is composed of negative-sense RNA which acts as a template for positive sense viral messenger RNA - a necessary step in the synthesis of viral proteins needed for viral replication.

  4. List of RNAs - Wikipedia

    en.wikipedia.org/wiki/List_of_RNAs

    oxidative stress response RNA. RF00035. Small non coding RNA which is induced in response to oxidative stress in Escherichia coli. piRNA. piwi-interacting RNA. multiple families. Small RNAs that form RNA-protein complexes with piwi proteins in animal cells. qiRNA. QDE-2 interfering RNA.

  5. Primary transcript - Wikipedia

    en.wikipedia.org/wiki/Primary_transcript

    A primary transcript is the single-stranded ribonucleic acid (RNA) product synthesized by transcription of DNA, and processed to yield various mature RNA products such as mRNAs, tRNAs, and rRNAs. The primary transcripts designated to be mRNAs are modified in preparation for translation. For example, a precursor mRNA (pre-mRNA) is a type of ...

  6. Ribosomal RNA - Wikipedia

    en.wikipedia.org/wiki/Ribosomal_RNA

    Ribosomal RNA is the predominant form of RNA found in most cells; it makes up about 80% of cellular RNA despite never being translated into proteins itself. Ribosomes are composed of approximately 60% rRNA and 40% ribosomal proteins, though this ratio differs between prokaryotes and eukaryotes. [ 2 ][ 3 ]

  7. List of RNA-Seq bioinformatics tools - Wikipedia

    en.wikipedia.org/wiki/List_of_RNA-Seq...

    Mitranscriptome is a systematic list of long poly-adenylated Human RNA transcripts based on RNA-Seq data from more than 6,500 samples associated with a variety of cancer and tissue types. The database contains detailed gene expression analysis of over 91,000 genes, most are uncharacterized long RNAs.

  8. Eukaryotic transcription - Wikipedia

    en.wikipedia.org/wiki/Eukaryotic_transcription

    t. e. Eukaryotic Transcription. Eukaryotic transcription is the elaborate process that eukaryotic cells use to copy genetic information stored in DNA into units of transportable complementary RNA replica. [1] Gene transcription occurs in both eukaryotic and prokaryotic cells. Unlike prokaryotic RNA polymerase that initiates the transcription of ...

  9. RNA polymerase III - Wikipedia

    en.wikipedia.org/wiki/RNA_polymerase_III

    RNA polymerase III. In eukaryote cells, RNA polymerase III (also called Pol III) is a protein that transcribes DNA to synthesize 5S ribosomal RNA, tRNA, and other small RNAs. The genes transcribed by RNA Pol III fall in the category of "housekeeping" genes whose expression is required in all cell types and most environmental conditions.