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Student Worksheet—Biology Strand: Molecules and Cells Name___________________________ Date__________________ School_________________ Student—please print this worksheet and complete it as you interact with the tutorial. The completed worksheet should be turned in to your assigned teacher. Tutorial: Proteins Protein Definition: (PRO-teen) A molecule made up of amino acids that are needed for the body to function properly. 1. Proteins of “prime importance” comprise _____________________% of cell mass and have many physiological functions. 2. All enzymes, blood proteins, hemoglobin, and ____________________are functional proteins. 3. Proteins are built from 20 common blocks called _________________________. 4. ____________________________of a protein molecule is determined by the sequence of amino acids connected by peptide bonds forming a polypeptide chain. 5. Hydrogen bonding forms a __________________________________depending on the protein’s amino acid sequences. 6. Proteins can be destroyed by high temperatures, wrong pH, radiation, and ___________________. CHEMICALS SECONDARY STRUCTURE THE PRIMARY STRUCTURE AMINO ACIDS ANTIBODIES 10 TO 30