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You'll find the answer glucose best fits the definition of potential energy, as in it's standard state the glucose has all of it's energy stored in it's bonds (1). Every other answer is some sort of expenditure of energy (ATP in the case of firefly luciferase reaction, see (2)).


Going by the answer, the key to interpret this question seems to be the absence of kinetic energy. Total Energy (mechanical) = Potential + Kinetic (let's ignore the pressure component as this question does not involve it). So the key to answer this question would be a system where the full energy is represented by the Potential energy. In a contracting ...


I think you are right and many examples are ambiguous. Even D) is ambiguous as a molecule is always in motion due to entropy except, perhaps, at absolute zero (0 Kelvin). But normally, it does contain kinetic energy. However, as you already identified the ambiguity, look at the best, or in this case least incorrect answer; The only option without any ...


High carbohydrate meals will undoubtedly increase the relative levels of insulin, increase the shuttling of glucose from the blood to the cells, and leave you fatigued in wake of that. See reactive hypoglycemia. Reducing carbohydrate consumption should, to some level, reduce this effect. Caffeine should just as likely increase blood glucose levels by ...

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