AP BIOLOGY EXAM 2024 Questions and Answers Graded A

AP BIOLOGY EXAM 2024 Questions and Answers Graded A Water characteristics - CORRECT ANSWER-polar, cohesion (hold together), adhesion (hold to another substance), surface tension, specific heat, heat of vaporization Surface Tension - CORRECT ANSWER-A measure of how difficult it is to stretch or break the surface of a liquid Specific Heat - CORRECT ANSWER-amount of heat absorbed or lost to change temperature by 1C Heat of Vaporization - CORRECT ANSWER-the quantity of heat required to convert 1 from liquid to gas Water polarity - CORRECT ANSWER-uneven sharing of electrons that produces a negative charge near the oxygen atom and positive charges near each hydrogen atom Water properties - CORRECT ANSWER-solvent, cohesive, thermal Organic Chemistry - CORRECT ANSWER-the study of carbon compounds Hydroxyl - CORRECT ANSWER-OH-, alcohol/ethanol Carbonyl - CORRECT ANSWER-C=O, aldehyde, keytone Carboxyl - CORRECT ANSWER-O=C-OH, carboxylic acid as in acetic acid Amino - CORRECT ANSWER-H-N-H, amine as in tryptophan Sulfhydryl - CORRECT ANSWER-R-SH four organic compounds - CORRECT ANSWER-carbohydrates, lipids, proteins, nucleic acids Monosaccharides - CORRECT ANSWER-glucose, fructose, galactose Disaccharides - CORRECT ANSWER-sucrose, lactose, maltose Polysaccharides - CORRECT ANSWER-glycogen, starch, cellulose Glycogen - CORRECT ANSWER-storage polysaccharide form of glucose in animals Starch - CORRECT ANSWER-storage polysaccharide form of glucose in plants Cellulose - CORRECT ANSWER-Carbohydrate component of plant cell walls. Condensation v. Hydrolysis - CORRECT ANSWER-Condensation: anabolic, water out Hydrolysis: catabolic, water in Protein (condensation/hydrolysis) - CORRECT ANSWER-Amino acid --- dipeptide --- polypeptide Carbohydrates (condensation/hydrolysis) - CORRECT ANSWER-Monosaccharide --- Disaccharide --- Polysaccharide Glycosidic bond - CORRECT ANSWER-bond formed by a dehydration reaction between two monosaccharides (+ water in product)