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.
Boiling Bratwurst. 1  1. Put water and bratwurst in a pot or deep pan. Make sure your pan is deep enough that the brats will be covered in water. 2  2. Boil the bratwurst for about 20 minutes. Turn the pan to medium-high heat and let the water heat up to a boil. 3  3. Throw them on the grill to finish cooking if desired.