The protein structure that twists like a helix or folds over on itself like a flat sheet. 2 points primary structure seondary structure tertiary structure quaternary structure the strait chain of amino acids. 2 points primary structure seondary structure tertiary structure quaternary structure structure of protein where several amino acid chains fold together in a blob. 2 points primary structure seondary structure tertiary structure quaternary structure the protein structure where the helix or sheets start to fold over on each other and make additional bonds. 2 points primary structure seondary structure tertiary structure quaternary structure which statement about enzymes is true: 2 points a given enzyme can do more than one job. everything from breaking down carbohydrates to breaking down amino acids. every type of enzyme is located in every cell of your body enzymes are biological molecules (proteins) that act as catalysts and complex reactions occur everywhere in life. enzymes heat up the reaction to get it to go. name 4 factors that control enzymes 4 points your answer why does your body break down protein and then use the nucleotides to build protein again? 4 points your answer how many different amino acids do you need as a human? 2 points 20 22 13 24 how many amino acids can your body make on its own? 2 points 20 22 13 24 which protein source is complete? 2 points milk or meat soy beans peanut butter red beans and rice submit