A(n) reaction is a self-sustaining series of chemical reactions in which the products of one reaction are the reactants in the next reaction.

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c.Breaks down food for energy

Explanation:

.The function of the mitochondria in both plant and animal cells is to produce energy for the cell via ATP production as part of the Krebs cycle. Mitochondria (mitochondrion singular) are membrane-bound organelles found in the cells of most eukaryotic organisms.