Chapter 27 Protein Metabolism 1. A brief history of understanding protein metabolism? 2. The studies leading to the deciphering of the genetic codes 3. The pathway leading to the synthesis of a functional protein; 4. Current understanding on protein targeting and degradation.Chapter 27 Protein Metabolism 1. A brief history of understanding protein metabolism; 2. The studies leading to the deciphering of the genetic codes; 3. The pathway leading to the synthesis of a functional protein; 4. Current understanding on protein targeting and degradation