Primary Structure. 1  Proteins are made up of polypeptide chains, which are amino acids joined together with peptide bonds. 2  The unique sequence of amino acids that make up a protein or polypeptide chain is called the Primary Structure.
Put your uncooked brats on a broiler pan and pop them in the oven, cooking them for about five minutes at a time on each side. Keep turning them until they brown up nicely and are good to go. This should take 15-20 minutes for uncooked brats and just 5-10 minutes for precooked bratwurst.
3ABout 1/2 hour before you want to eat, prepare the bratwurst: In a large skillet, place the bratwurst, water, and 2 T. of butter. Bring to a boil, then turn heat down to med., and cook 10 - 12 minutes, turning occasionally, until water evaporates and bratwurst begin to brown.