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.
1 Prick bratwurst with fork to prevent them from exploding as they cook. Place in a large stock pot with the onions, butter, and beer. 2  Preheat grill for medium-high heat. 3  Lightly oil grate. Cook bratwurst on preheated grill for 10 to 14 minutes, turning occasionally to brown evenly.