does the mitochondria breaks down food or does it break down food molecules and it into energy and the enzymes actually break down the food?
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Mitochondria takes substances broken down from food by other processes outside mitochondria to create energy.
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Enzyme breaks down food to smallest particles, while processed in the mitochondria transfer it into molecules for easy absorption by the cell.
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Mitochondria produce ATP which take part in the Kreb's cycle and by breaking of high-energy phosphodiester bonds, release energy