Question

the most common organic compound on the planet is called ____________. it is found in plants and made up of many, many, glucose molecules linked together. lactose fructose cellulose

Explanation:

Cellulose is the most common organic compound on Earth. It is found in plant cell - walls and is a polysaccharide made up of many glucose molecules linked together. Lactose is a disaccharide found in milk, and fructose is a monosaccharide found in fruits.

Answer:

cellulose