Biotechnology Genetic engineering 56 Molecular biology 42 Chemical engineering 30 Biotechnology (General), (Revised June 2002) 23 Genetics 23 Industrial microbiology 22 Nanotechnology 22 Genetic Engineering 21 Enzymes 20 Microbiology 20 Bioremediation 19 Plant Breeding and Genetics 16 Plant breeding 16 Biochemistry 15 Food 15 Plant Biotechnology 15 Environmental engineering 14 Agricultural Economics 13 Agriculture 13 Biodiversity 13 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 13 Agricultural biotechnology 12 Fungi 12 Plants 12 methods 12 Microbial biotechnology 11 Molecular Biology 11 Biotechnology industries 10 Environmental biotechnology 10