Biotechnology applies scientific and engineering principles to living organisms in order to produce products and services of value to society. It is used in processes ranging from cheese production, brewing, and wastewater management, through to drug design and gene therapy. The program explores the discovery, understanding, improvement, and development, of products or activities of micro-organisms, plants, and animals. The discipline combines elements from many areas such as molecular genetics, microbiology, immunology, physics, chemistry, engineering and mathematics.