Once upon a time, in a laboratory not so far away, there were two polynucleotide chains that coiled around each other to form a double helix. They lived happily in a small test tube surrounded by molecules of Tris-HCL and…

Once upon a time, in a laboratory not so far away, there were two polynucleotide chains that coiled around each other to form a double helix. They lived happily in a small test tube surrounded by molecules of Tris-HCL and…