Related by context. Frequent words. (Click for all words.) 71 multicellular 69 eukaryotes 67 single celled organisms 65 eukaryotic 64 vertebrates 64 single celled 63 organisms 62 mammalian 62 organism 62 biochemical processes 61 vertebrate 61 C. elegans 60 Archaea 58 mammalian cells 58 introns 58 RNA molecules 58 diatoms 57 organelles 57 archaea 57 membrane protein 57 chloroplasts 57 phylogeny 56 organic molecules 56 macromolecules 56 organelle 56 HSCs 56 lineages 56 nuclei 56 clades 56 taxa 56 mammals 56 germ cells 56 ES cells 56 auxin 56 proteins 55 regulate gene expression 55 humans 55 molecular interactions 55 molecular pathways 55 small RNAs 55 cultured cells 55 transposons 55 somatic cells 55 speciation 55 gene sequences 55 protein synthesis 54 microenvironment 54 tetrapods 54 membrane proteins 54 Plasmodium 54 gene expression patterns 54 Homo sapiens 54 biomolecules 54 mammalian species 54 macroscopic 54 flagella 54 isoforms 54 evolutionary 54 molecular 54 protein complexes 54 photosynthetic 54 neuronal cells 54 nitrogen fixation 53 Arabidopsis 53 meiosis 53 signaling pathway 53 metabolic pathways 53 neurones 53 photosynthesis 53 coronaviruses 53 nonhuman primates 53 genetic alterations 53 germline 53 miRNAs 53 acetylation 53 metabolic processes 53 pluripotency 53 Wolbachia 53 evolutionarily 53 yeast cells 53 mycobacteria 53 astrocytes 53 signaling pathways 53 signal transduction 53 innate immunity 53 arthropods 53 mouse embryonic stem 53 microorganism 53 RNAs 52 cyanobacteria 52 NKT cells 52 genes 52 vertebrate species 52 quorum sensing 52 Archaeopteryx 52 microRNAs 52 retroviruses 52 tyrannosaurs 52 microorganisms 52 melanosomes 52 morphological