Micro RNA

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 Micro RNA (miRNA)

Micro RNA (miRNA) is one class of low molecular weight RNA(about 21 nucleotides long) which is found in eukaryotic cells. Like mRNA, miRNA is synthesised by RNA polymerase II but it's non-protein encoding RNA[1]. Micro RNA moleculs are able to inhibit the expression of mRNAs which are complementary to them[2].


References

  1. ↑ Alberts B, Johnson A, Lewis J, Raff M, Roberts K, Walter P,2008, Molecular Biology of the Cell,5th Edition, New York, Garland Science pg 493-4
  2. ↑ Jeremy M.Berg, John L. Tymoczko, Lubert Stryer, 2006, Biochemistry, 6th Edition, New York, W.H. Freeman and Company pg 120
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