Anabolism

+**Anabolism** is the metabolic pathway that constructs complex molecules from simpler units. This vital process, fueling growth and repair, always requires an input of [Energy](/wiki/energy). It works in elegant contrast to [Catabolism](/wiki/catabolism), forming a key part of the broader cycle of [Metabolism](/wiki/metabolism).

+## See also

+- [Metabolism](/wiki/metabolism)

+- [Catabolism](/wiki/catabolism)

+- [Energy](/wiki/energy)