DNA from RNA..... careful, creatard. This has lots of big words.
https://www.ncbi.nlm.nih.gov/books/NBK6360/
https://www.ncbi.nlm.nih.gov/books/NBK6360/
Quote:DNA can be considered as a modified form of RNA, since the “normal” ribose sugar in RNA is reduced into deoxyribose in DNA, whereas the “simple” base uracil is methylated into thymidine. In modern cells, the DNA precursors (the four deoxyribonucleoties, dNTPs) are produced by reduction of ribonucleotides di- or triphosphate by ribonucleotide reductases (fig. 1). The synthesis of DNA building blocks from RNA precursors is a major argument in favor of RNA preceding DNA in evolution.