Biology 20 Final Exam: Biology 20 Final Exam Study Guide: Questions & Answers: Updated Solution

Homeostasis (Ans- The tendency of the body to maintain a relatively constant internal environment Lipase (Ans- Enzyme that catalyzes the hydrolysis of triglycerides into glycerol and fatty acids Esophageal sphincter (Ans- A muscular ring between the esophagus and the stomach that controls the movement of food into and out of the stomach Dehydration Synthesis (Ans- A chemical reaction that results in the formation of a covalent bond between two subunit molecules by the removal of a hydroxyl group from one subunit and a hydrogen atom from another subunit; essentially a molecule of water is removed Liver (Ans- Organ found in the abdomen that performs hundreds of functions as an accessory organ of the digestive system, including thesecretion of bile to digest fats; other functions include plasma protein production, blood detoxification, and glycogen storage Monosaccharide (Ans- Simple sugar that cannot be hydrolyzed into simpler sugars; glucose, fructose, galactose Bolus (Ans- Smooth, lump-like mass of food rolled byy the tongue to aid swallowing Macromolecule (Ans- A large, complex assembly of organic molecules for categories of macromolecules are carbohydrates, lipids, proteins, and nucleic acids