When we say that something gives us energy, what does that mean? What is a biological definition of energy? 2. What is the physiological role of each of the molecules in your table? 1. Which ingredients provide energy? How do they do that? 2. Which ingredients contribute to body repair, i.e., which help build or rebuild muscle tissue? 3. In what ways might the one(s) that does (do) not have a metabolic energy source (caffeine) provide the perception of increased energy after consumption? 4. How are the ingredients in these drinks helpful to someone expending a lot of energy, e.g., a runner? 5. Does your analysis substantiate the claim that this is an energy drink ? If so, what molecules are the sources of energy? 6. Could your drink serve different purposes for different consumers? describe. 7. What is the normal physiological response to increased intake of sugars? to increased intake of caffeine? 8. Is there such a thing as a sugar high ? describe your answer. 9. Evaluate, in terms of basic physiology and biochemistry, the statement: A lack of sleep causes a lack of energy. 10. Are the product claims legitimate? Why? 11. Should you simply buy a can of Coke rather than one of these energy drinks? Why/why not?