Biology · Biological Molecules

Lactose is a disaccharide, not a polysaccharide. It consists of glucose and galactose and is commonly found in milk and dairy products.

Cellulose is a polysaccharide and is considered the most abundant organic compound on Earth. It is a structural component of the cell walls in plants.

Glycogen is a polysaccharide that serves as a storage form of glucose in animals, including humans. It is primarily stored in the liver and muscles.

Starch is also a polysaccharide that serves as a storage form of glucose in plants. It is found in various parts of plants, such as grains, tubers, and seeds.

Lactose is a disaccharide, not a polysaccharide. It consists of glucose and galactose and is commonly found in milk and dairy products.