A Symmetrical Pattern in the Genetic Code: The Triplets of Links in the Genetic Material Which Specify the Detailed Structure of Proteins Have Now Been Identified in Sufficient Numbers to Fall into a Regular Pattern
This article argues that triplets specifying protein structure have been identified in sufficient numbers to make a pattern clear. The author, a biologist at the National Cancer Institute, Bethesda, Maryland, outlines the characteristics of genetic material, citing Nirenberg's work with poly-U as foundational in understanding the code. Established patterns, unsettled questions, and predictions are covered.. Last sentence on page 8 reads: "On the other hand, if the purine-pyrimidine pairs are fundamental there should be a specific transfer RNA for every one of the 32 pairs, if not a separate one for every triplet." This sentence is very light on the original page and is difficult to read on the image.
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