Question

choose the molecule that is described by each phrase. energy used during long activities: lipid complete main source of energy: glycogen complete a last - resort energy source: protein complete energy that can be quickly accessed by the bodys systems: done

Explanation:

Glycogen is stored in the liver and muscles. When the body needs energy quickly, glycogen is broken down into glucose, which can be readily used by the body's systems. Lipids are used for long - term energy storage (like during long activities), and proteins are a last - resort energy source as they have many other important functions in the body (such as building and repairing tissues).

Answer:

glycogen