Which one is endergonic and exergonic? a.) the dehydration synthesis of ATP b.) the oxidation of glucose Define endergonic. endergonic synonyms, endergonic pronunciation, endergonic translation, English dictionary definition of endergonic. adj. Requiring energy. Endergonic (from the prefix endo-, derived from the Greek word ἔνδον endon, within , and the Greek word ἔργον ergon, work ) means absorbing energy in. Endergonic Reaction: Definition & Examples. Endergonic reactions occur in nature and living organisms all the time. A reaction is considered endergonic if it is. Catabolism produces energy by oxidation of fuel molecules in exergonic reactions, whereas anabolism synthesizes body components in endergonic reactions by capturing. endergonic in Medicine Expand endergonic end·er·gon·ic (ěn'dər-gŏn'ĭk) adj. Of or relating to a chemical reaction that absorbs energy and therefore cools its. I read that with endergonic reactions. Photosynthesis uses light energy to drive the synthesis of carbohydrates. Endergonic and Exergonic Reactions? Endergonic takes energy in to make a reaction. Exergonic releases energy when the reaction happens. An example of endergonic would be when plants use photosynthesis. Endergonic takes energy in to make a reaction. Exergonic releases energy when the reaction happens. An example of endergonic would be when plants use photosynthesis. In chemical thermodynamics, an endergonic reaction (also called a nonspontaneous reaction or an unfavorable reaction) is a chemical reaction in which the standard.