• (2016) The Expanding World of DNA & RNA; National Center for Biotechnology Information
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5107331/
• (2019) DNA vs RNA by Amoeba Sisters; YouTube
https://www.youtube.com/watch?v=JQByjprj_mA
• (2020) DNA & RNA; Philadelphia University + Thomas Jefferson University
https://cm.jefferson.edu/learn/dna-and-rna/#:~:text=Like%20DNA%2C%20RNA%20is%20made%20up%20of%20nucleotides.&text=There%20are%20two%20differences%20that,uracil%20while%20DNA%20contains%20thymine.
• The Structure of DNA & RNA; Western Oregon University
https://wou.edu/chemistry/courses/online-chemistry-textbooks/ch450-and-ch451-biochemistry-defining-life-at-the-molecular-level/chapter-4-dna-rna-and-the-human-genome/#CH450-4.1