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.
Add the onions. Brown the onions in the butter for 1-2 minutes. Stir them frequently to make sure they are browned on all sides. 1  Some recipes suggest cooking the onions after you cook the bratwurst, so that you can monitor the bratwurst more effectively and so that you donât risk overcooking the onions.ooked bratwurst can last for about 5 days in the fridge. You can also store cooked bratwurst in the freezer for up to 3 months in the freezer. Write the date that you stored it on the container so that you can keep track of its expiration date. 1  Cook up a large batch of bratwurst and freeze it.