Answer:
A polysaccharide found in animals.
Step-by-step explanation:
Biomolecules are the important chemical compounds present in the living organisms and responsible for all the functional activities of the body. Four important biomolecules are carbohydrates, proteins, fats and lipids.
Glycogen is a carbhydrate made of the polymer of the glucose linked through the glycosidic bonds. The glycogen acts as the energy source and present in animals mainly. Glycogen is mainly stored in the liver and the skeletal muscles of the animals.
Thus, the correct answer is option (a).