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blessb2406

Answer:

Glucose and other food molecules are broken down by controlled stepwise oxidation to provide chemical energy in the form of ATP and NADH. ... These storage materials in turn serve as a major source of food for humans, along with the proteins that comprise the majority of the dry mass of the cells we eat.

Explanation:

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haydenrhath
yes, without food our cells would not give our body the energy it needs. Therefore, yes our cells use our food as a direct energy source