The structure of DNA

Just arround of 50 years ago was discovered that DNA consists of two polynucleotide chains, rolled forming a spiral or double helix. Each of these channels is made up of nucleotides linked to one another, which are distinguished by the base sistem contained, which can be: Adenine, Guanine, Citosine or Timine.


DNA, nucleótid i polinucleótid


Thanks to this structure, DNA can carry the necessary instructions so that the cell can live and reproduce. Do you want to know how?

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