Biochemistry is the study of the chemical processes within and relating to living organisms. It has to understand both the living world and the chemical world. Plants, animals, and single-celled organisms all use the same basic chemical compounds to live their lives.

This module deals with the structures, functions and interactions of biological macromolecules, such as proteins, nucleic acids, carbohydrates and lipids, which provide the structure of cells and perform many of the functions associated with life.