Which of the following describe(s) an exergonic reaction?

An organic molecule that catalyzes a chemical reaction, without itself becoming used up or consumed, is the correct definition for which of the following terms? the substrate the enzyme the reactant the ligand the product

Without enzymes , reactants would never from products False or true ?

indicate whether the following reactions are endergonic, requiring energy input, or exergonic, releasing energy:   endergonic, exergonic     Definition Word Photons from the Sun reach planet Earth   Plants use sun energy to convert carbon dioxide into sugars   Living organisms break down sugars into carbon dioxide and water   Living organisms make ATP from ADP and phosphate   Living organisms break down ATP into ADP and phosphate   Living organisms use ATP to power metabolic function and other things such as muscle movement