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| align="RIGHT" nowrap | 1953
 
| align="RIGHT" nowrap | 1953
 
| James Watson and Francis Crick discovered the double helical structure of the DNA molecule.
 
| James Watson and Francis Crick discovered the double helical structure of the DNA molecule.
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|- valign="TOP"
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| align="RIGHT" nowrap | 1953
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| Hans Adolf Krebs discovers the biochemical steps of the Krebs cycle in carbohydrate metabolism.
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|- valign="TOP"
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| align="RIGHT" nowrap | 1957
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| Daniel Bovet receives the Nobel Prize for the development of antihistamines.
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|- valign="TOP"
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| align="RIGHT" nowrap | 1959
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| Severo Ochoa and Arthur Kornberg receive Nobel Prize for discoveries on the synthesis ofDNA and RNA.
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|- valign="TOP"
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| align="RIGHT" nowrap | 1970
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| Hamilton Smith reports the discovery of the first restriction enzyme. 
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|- valign="TOP"
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| align="RIGHT" nowrap | 1971
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| Theodor Diener demonstrates the fundamental differences between viroids and viruses. 
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|- valign="TOP"
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| align="RIGHT" nowrap | 1975
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| Cesar Milsein, Georges Kohler, and Niels Kai Jerne develop the technique for making monoclonal antibodies.
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|- valign="TOP"
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| align="RIGHT" nowrap | 1977
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| Rosalyn S. Yalow, R.C.I. Guillemin and A.V. Schally receive the Nobel Prize for developing the radioimmunossay (RIA) techniques; and using RIA to analyze peptide hormones in the brain.
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|- valign="TOP"
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| align="RIGHT" nowrap | 1984
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| Cesar Milstein, Georges J.F. Koehler and Niels Jerne receive the Nobel Prize for developing a method for the production of large quantities of monoclonal antibodies.
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|- valign="TOP"
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| align="RIGHT" nowrap | 1995
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| The Food and Drug Administration approves the first protease inhibitor, a major weapon against the progression of AIDS.
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|- valign="TOP"
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| align="RIGHT" nowrap | 1997
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| The first complete nucleotide sequence of all of the chromosomes of eukaryote is reported (yeast).
 
|}
 
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