Biotechnology Molecular biology 19 Biochemistry 11 Microbiology 9 Fungi 7 Genetic Engineering 7 Genetics 7 Genetic engineering 6 Biodiversity 5 Molecular Biology 5 Biology 4 Cells 4 Ecology 4 Enzymes 4 Industrial microbiology 4 Plant tissue culture 4 methods 4 Bioremediation 3 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 3 Genomics 3 Light 3 Plants 3 Research 3 Tissues 3 genetics 3 Algology 2 Bacteriophages 2 Biotechnology (General), (Revised June 2002) 2 Cell biology 2 Chloroplasts 2