The liver removes sugar from the blood and stores it as _____________

• A. Starch
• B. Glycogen
• C. Glycolysis
• D. Fructose

Answer: (B)

Sugar is stored in the liver as glycogen, a large, branched polymer made from glucose. This storage happens through glycogenesis, which is triggered after meals when blood glucose is high and insulin signals the liver to take up and convert glucose into glycogen. The stored glycogen acts as a quick-release source to keep blood glucose levels steady between meals. When blood glucose drops, the liver can break down glycogen back into glucose (glycogenolysis) and release it into the bloodstream.

Starch is how plants store energy, not a form humans store in the liver. Glycolysis is the pathway that breaks down glucose to release energy, not a storage process. Fructose is a simple sugar; it’s metabolized by the liver but isn’t stored there as fructose—the storage form is glycogen.