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Energy released during the reaction is captured by the energy-carrying molecule ATP. Encyclopedia Britannica, Inc.Cellular respiration in algae, as in all organisms, is the process by which food molecules aremetabolized to obtain chemical energy for the cell.
Metabolism refers to all the chemical reactions in the body, including those that use oxygen and create carbon dioxide. Oxygen and carbon dioxide, therefore, are involved in both respiration and metabolismMetabolic reactions are sometimes referred to as cellular respiration, which can cause confusion.