CHEM 120 Week 8 Final Exam Study Guide

CHEM 120 Week 8 Final Exam Study Guide CERTIFIED WITH ANSWERS Chem20 Final-Exam Study-Guide Terms: A) Metabolism: Chemical reactions that keep cells alive. Divided into 2 classes: Anabolism: Process of building up, or synthesizing, the molecules of living systems. & catabolism: Degrading of molecules to provide energy. Monosaccharide (Carbohydrate): Sugar & sweet tasting carbohydrates. Simplest Sugars. Cannot be hydrolyzed. Types: -Glucose, galactose (Lactose, sugar in milk), fructose (Fruit sugar). -Glucose & galactose= aldoses -Fructose= Ketose Disaccharide: A carbohydrate whose molecules can hydrolyze to yield two monosaccharide units. For example, -Sucrose + H2O  glucose & fructose -Lactose + H2O  glucose & galactose Types: -Sucrose & Lactose. Polysaccharides: Composed of large molecule that yield many monosaccharides. Types: -Starches- Main energy-storage system of many plants. -Cellulose- Structural material of plants. -Animal Starch-Glycogen; found in muscle & liver.