Explain why two ATP must be used during the energy investment phase and describe what happens in the energy payoff phase. Identify the molecule present at the end of the process that stores the majority of the energy originally stored in the chemical bonds of glucose.

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image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.