Answer :
Final answer:
Catabolic reactions break down large molecules to release energy, while anabolic reactions build larger molecules and require energy. These reactions are vital in the metabolism of living organisms.
Explanation:
Catabolic reactions involve the breakdown of large molecules into smaller ones, releasing energy. An example is the breakdown of glucose during cellular respiration. On the other hand, anabolic reactions build larger molecules from smaller ones, requiring energy input like the synthesis of proteins from amino acids.
Metabolism encompasses both types of reactions, with catabolic processes generally releasing energy to fuel cellular activities, while anabolic processes consume energy to create complex molecules.
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