video 7'59 : https://www.youtube.com/watch?v=NNASRkIU5Fw Nucleic Acids. Paul Andersen explains the importance and structure of nucleic acids. He begins with an introduction to DNA and RNA. He then describes the important parts of a nucleotide and shows how they are connected through covalent and hydrogen bonding.

Text: DNA sequencing: bench to bedside and beyond : https://academic.oup.com/nar/article/35/18/6227/2402812