So the cells of our body and the cells of other liver organisms use the system called the genetic code. And the genetic code is used to basically translate that sequence of nucleotides on the RNA molecule into its corresponding sequence of amino acids on that polypeptide chain. Now, this is basically our genetic code, and we'll see exactly what it actually means in just a moment. Now, there are four facts that you have to know about the genetic code. Fact number one is a three nucleotide sequence, known as a codon is used to encode each amino acid. Fact number two is the code does not actually overlap.