Word: rna
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Messenger RNA, the link between DNA and the protein-making factories of cells, is discovered...
Thomas Cech, and later Sidney Altman, show that RNA can act as an enzyme...
Together with Brenner and others, Crick provided an initial solution: DNA's sequence of four bases, taken three at a time, direct the formation of 20 amino acids; then, guided by DNA's single-chain cousins, messenger and transfer RNA (whose existence Crick predicted), these molecules link up to form more complex proteins. In the process, Crick asserted, genetic information always flows one way, from DNA to RNA to protein, an idea he called molecular biology's "central dogma...
...actually quite pleasant. We didn't have a lot of competition, and we could work on related ideas, like RNA, with a very small number of other researchers who knew how important...
...NEVER DID GET THE STRUCTURE OF RNA...