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'ribonucleic acid or RNA is a molecule which is one of the carriers of genetic information in nearly all the living organisms. It contains the biological instructions for the development, survival and reproduction of organisms. RNA is transcribed from DNA.


Transcription and Translation

The expression of genes into proteins and is a process involving two stages called transcription and translation. In the transcription stage a strand of DNA molecule serves as a template for the synthesis of an RNA molecule called messenger RNA. In the case of RNAs that code for polypetides, this messenger RNA is then translated into proteins on ribosomes.

Post-transcriptionally, specific nucleotides in RNA are often further modified. This is most frequent in [tRNA|transfer ribonucleic acid (tRNAs)]], the adapter molecules of Translation, and ribosomal ribonucleic acids (rRNAs) of the ribosome.

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Wayne Decatur, Michal Harel

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