Related by context. Frequent words. (Click for all words.) 58 unicellular 56 organism 56 Caenorhabditis elegans 55 chloroplast 55 nitrogen fixing 55 microorganism 55 symbiont 55 biochemical processes 55 ribonucleic acid RNA 54 eukaryotic cells 54 microgravity environment 54 Geobacter 54 adenosine triphosphate 54 exocytosis 54 photosynthetic 54 C. albicans 54 ribozyme 53 amyloid fibrils 53 organisms 53 erythrocytes 53 biomolecule 53 supramolecular 53 transduction 53 circadian clocks 53 atmospheric nitrogen 53 cofactors 53 S. cerevisiae 53 chromatin structure 53 rhodopsin 53 photochemistry 53 biogenesis 53 riboswitch 52 oscillatory 52 multicellular organisms 52 reproduce asexually 52 lectins 52 mycobacteria 52 phagocytosis 52 single celled organism 52 organelle 52 prokaryotic 52 nitrogen fixation 52 symbionts 52 Saccharomyces cerevisiae 52 single celled 52 defensins 52 lignocellulose 52 histone modifications 52 fatty acid metabolism 52 phosphatases 52 metabolic processes 51 cofactor 51 porphyrins 51 fruiting bodies 51 mitochondrion 51 haploid 51 cytosolic 51 cyanobacteria 51 motile 51 pathogenic organisms 51 chloroplasts 51 monomeric 51 adipocyte 51 organelles 51 Bacillus subtilis 51 dsRNA 51 methanogens 51 Archaea 51 fluorescent molecules 51 cellular metabolism 51 mycelium 50 anaerobic bacteria 50 PrP 50 proteolysis 50 inorganic compounds 50 Cyanobacteria 50 hemicellulose 50 herpes viruses 50 mycorrhizal fungi 50 nonliving 50 transcriptional regulation 50 alkanes 50 methylation patterns 50 microflora 50 ribozymes 50 RNA molecule 50 mutant proteins 50 Supplementary Fig 50 cellular membranes 50 metabolic pathways 50 diatom 50 stomata 50 calcineurin 50 melanopsin 50 vacuole 50 Penicillium 50 photocatalyst 50 micro organism 50 alga 50 epithelia 50 glycosylation