1. Melanin is produced by the chemical transformation of an amino acid tyrosin. 2. Key chemical transformations are the Johnson-Corey-Chaykovsky reaction and the Heck reaction. 3. Their structures were established by spectroscopic methods and chemical transformations ." 4. The structure of the pigment was determined by spectroscopic methods and chemical transformations . 5. Dithiane chemistry opens the way to many new chemical transformations . 6. The importance of enols in accomplishing nature and humankind's chemical transformations makes them irreplaceable. 7. The actual energy transfer is a complicated set of chemical transformations in the cells. 8. Single point changes in the molecule pairs are termed a chemical transformation or Molecular transformation. 9. But ultraviolet is potent enough to trigger the chemical transformations that lead to mutations and gene defects. 10. The one properly called the Nef reaction is an unrelated chemical transformation discovered by the same chemist.
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