Confidence votes 46.8K. I was born a Catholic and have never wavered in my faith in over 70 years. I had 12 years of Catholic education in my youth-both primary and secondary schools.
The carbohydrate energy storage molecule of animals is glycogen.  Glycogen is a substance deposited in bodily tissues as a store of  carbohydrates.
A highly branched storage polysaccharide composed of alpha-glucose monomers joined by 1,4- and 1,6- glycosidic linkages. The major form of stored carbohydrate in animals.