calorie- a unit equal to the kilocalorie, used to express the heat output of an organism and the fuel or energy value of food.
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glycolysis- the catabolism of carbohydrates, as glucose and glycogen, by enzymes, with the release of energy and the production of lactic or pyruvic acid.
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cellular respiration - the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.
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NAD+ - nicotinamide adenine dinucleotide: a coenzyme, C21H27N7O14P2, involved in many cellular oxidation-reduction reactions.
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Fermentation- a change brought about by a ferment, as yeast enzymes, which convert grape sugar into ethyl alcohol.
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anaerobic - living in the absence of air or free oxygen.
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