Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms. biochemistry deals with structures, functions and interactions of biological macromolecules, like proteins, nucleic acids, carbohydrates and lipids. Biochemistry is mainly applied in medicine, nutrition, and agriculture. The four classes of molecules in biochemistry are: carbohydrates, lipids, proteins, nucleic acids. Related Journals of Biochemical Process The Journal of Biochemistry, Biochemistry including biophysical chemistry & molecular biology, Clinical Biochemistry, The International Journal of Biochemistry & Cell Biology, Indian Journal of Clinical Biochemistry, BMC Biochemistry.