The Chemistry of Life
Science

The metabolic synthesis of fats, proteins and other large molecules from smaller molecules
Anabolism
The metabolic synthesis of fats, proteins, and other large molecules from smaller molecules. Anabolism. It is the process where the body builds up complex molecules from simpler ones for growth and repair.

The reactions in cells in which substances are broken down, form simpler ones and energy is produced
Catabolism
The reactions in cells in which substances are broken down, form simpler ones and energy is produced. Catabolism. In simple terms, catabolism is the process where your body breaks down food to release energy.