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