DNA 257 Molecular biology 83 Genetics 76 Biochemistry 62 Genetic engineering 57 Biotechnology 54 Literature 50 Genes 48 RNA 44 Recombinant DNA 43 Cytology 40 Genomics 40 Molecular Biology 36 History 34 Molecular genetics 32 Molecular cloning 31 Proteins 31 Genome 30 Literature Malayalam 29 Bioinformatics 27 Nucleotide sequence 27 Genomes 26 methods 25 genetics 24 DNA microarrays 23 DNA, Recombinant 23 Genetic Engineering 23 American poetry 21 Nucleic acids 21 Cells 20