Galen Integrated Human Science Exam 1 Practice

A carbohydrate made of many glucose molecules linked together is termed a polysaccharide. Polysaccharides are complex carbohydrates composed of long chains of sugar units, specifically glucose. These chains can be branched or unbranched and serve various functions in biological systems, such as energy storage and structural components. Examples of polysaccharides include starch, glycogen, and cellulose, which consist of numerous glucose monomers bonded together.

Monosaccharides, on the other hand, are the simplest form of carbohydrates, consisting of single molecules like glucose itself. Disaccharides are formed by the combination of two monosaccharides, such as sucrose (glucose + fructose), but do not encompass the multiple glucose units found in polysaccharides. The term carbohydrates is a broader category that includes monosaccharides, disaccharides, and polysaccharides, but it does not specifically describe the structure involving many glucose molecules linked together. Thus, the defining feature of polysaccharides is their composition of many glucose units, making it the correct choice.