21. Notes on the code, taken at an art exhibit

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22. 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

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23. Marshall Nirenberg and Sidney Pestka in office

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24. Marshall Nirenberg in office

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25. Chemically Synthesized Deoxypolynucleotides as Templates for Ribonucleic Acid Polymerase

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26. RNA Codewords and Protein Synthesis, II. Nucleotide Sequence of a Valine RNA Codeword

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27. Cell-Free Protein Synthesis Directed by Messenger RNA

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28. Template used to compile data for the genetic code

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29. Notes on triplets

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30. Notes on deciphering the amino acid codes

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31. No Life in Test Tube Expected by Russians

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32. Summary of Dr. Marshall W. Nirenberg's Work

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33. RNA Codewords and Protein Synthesis, VII. On the General Nature of the RNA Code

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34. Second and last summary of the genetic code

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35. Large working copy of genetic code chart (first half)

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36. Compilation of data contributing to the genetic code

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37. Data contributing to "large working copy of code" chart

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38. Experiments related to the genetic code examining longer polynucleotides

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39. Compilation of data contributing to the genetic code chart

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40. Large working copy of genetic code chart (second half)

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