What is anabolism?

Anabolism refers to the set of metabolic pathways that build larger molecules from smaller units, a process that requires energy input. In biological systems, anabolism is critical for the synthesis of complex molecules such as proteins, nucleic acids, and polysaccharides, which are essential for cell structure and function. This process often involves the use of energy derived from adenosine triphosphate (ATP) to drive the reactions necessary to create these larger, more complex structures.

In contrast to catabolism, which breaks down molecules and releases energy, anabolism is focused on creating new cellular components and is essential for growth, repair, and maintenance of tissues. It is also vital for storing energy in forms like glycogen and fat. Overall, this anabolic process is essential for the overall metabolism and health of an organism, enabling it to grow and adapt to its environment.