Biotechnology Genetic engineering 56 Molecular biology 42 Biotechnology (General), (Revised June 2002) 23 Genetics 23 Chemical engineering 22 Nanotechnology 22 Genetic Engineering 21 Industrial microbiology 21 Enzymes 20 Bioremediation 19 Microbiology 19 Plant Breeding and Genetics 16 Plant breeding 16 Biochemistry 15 Food 15 Plant Biotechnology 15 Environmental engineering 14 Agricultural Economics 13 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 13 Agricultural biotechnology 12 Agriculture 12 Biodiversity 12 Fungi 12 Plants 12 methods 12 Molecular Biology 11 Biotechnology industries 10 Genetically engineered organisms 10 Medicinal plants 10