AP Biology Exam Review 2024/2025 with Complete Solutions

AP Biology Exam Review 2024/2025 with Complete Solutions Protein A three dimensional polymer made of monomers of amino acids. primary structure sequence of amino acids secondary structure Either an alpha helix or beta pleated sheet due to the interactions of H-bonds tertiarty structure R-group interactions cause further folding to contribute to the overall globular protein shape quarternary structure The overall protein structure that results from the aggregation of two or more polypeptide subunits. Lipids Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen. Triglycerides an energy-rich compound made up of a single molecule of glycerol and three molecules of fatty acid. Phospholipids a lipid consisting of a glycerol bound to two fatty acids and a phosphate group. Steroids Made of four rings of carbon. Glycerol Combines with fatty acids to make lipids. Saturated Fats with the maximum number of hydrogens, all single bonds! Unsaturated A solution that contains less than the maximum amount of dissolved solute in a concentration, has at least one double bond polyunsaturated two or more double bonds Hydrophobic Having an aversion to water; tending to coalesce and form droplets in water. Hydrophilic Having an affinity for water.