Oligosaccharides Include ____

Question

Oligosaccharides include ____.  
A) sucrose only
B) glucose only
C) fructose only
D) lactose only
E) both sucrose and lactose

Accepted Answer

Oligosaccharides are carbohydrates composed of a small number of monosaccharide units. Sucrose (table sugar) is a disaccharide made of glucose and fructose, and lactose (milk sugar) is a disaccharide composed of glucose and galactose. Both are examples of oligosaccharides because they contain a small number (2) of monosaccharide units.