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MESSENGER RNA

Messenger RNA (mRNA) contains instructions on protein synthesis. It helps to transfer them from DNA to the protein synthesis apparatus in a cell, ribosome. Every three successive bases of mRNA, called a codon, define one amino acid residue. RNA molecule is formed as the result of transcription of one gene.

 
   Supplementary information
http://cellbio.utmb.edu/cellbio/ribosome.htm