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Catabolic reactions give out energy. They are exergonic. In a catabolic reaction large molecules are broken down into smaller ones. For example, the reverse of the condensation reactions described above, i.e. hydrolysis reactions, are catabolic.
A cat â¦ abolic reaction is one that breaks down large molecules to produce energy; an example is digestion. An anabolic reaction is one that involves creating large molecules out of smaller molecules; an example is when your body makes fat out of extra nutrients you eat.2 people found this useful. catabolic reaction is the process of breaking down complex macromolecules into smaller subunits while releasing energy in the process. An â¦ exergonic reaction is an energy releasing reaction hence why it is a catabolic reaction.