methods 13 Chemistry, Organic 11 Biotechnology 8 Cell culture 8 Chemistry, Inorganic 8 Molecular biology 8 Proteins 7 genetics 7 Genomics 5 Microbiology 5 Molecular cloning 5 Nanotechnology 5 Plant genetics 5 Purification 5 Tissue culture 5 isolation & purification 5 physiology 5 Analysis 4 Biochemistry 4 Molecular Biology 4 Plants 4 Technique 4 analysis 4 Chemistry 3 Chemistry, Analytic 3 Chemistry, Physical and theoretical 3 Cytology 3 Developmental biology 3 Genetic engineering 3 Genetics 3