Which phrase best describes cellular respiration?

a. the process where energy from food is used by the cell.
b. the process where water molecules move across a membrane.
c. the process by which the cytoplasm physically divides.
d. the process where molecules' movements balance out their distribution.

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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.