Related by context. Frequent words. (Click for all words.) 63 chloroplast 62 auxin 60 nutrient uptake 58 chloroplasts 55 photosynthetic 54 transgenes 53 nitrogen fixing 53 phagocytosis 53 transgene 52 eukaryotic cells 52 organelle 51 photosynthesis 51 galactose 51 biochemical processes 51 atmospheric nitrogen 51 rhodopsin 51 microflora 50 enzymatic 50 polymerisation 50 biomolecule 50 glycosylation 50 hemicellulose 50 subcellular 50 microtubules 50 mycelium 49 dendritic 49 polypeptides 49 homologous recombination 49 cell adhesion 49 eukaryotic 49 heme 49 Wnt signaling 49 Cdc# 49 superoxide 49 enzymes 49 acetylation 49 mammalian cells 49 angiosperms 48 Bt toxin 48 transduction 48 Saccharomyces cerevisiae 48 morphogenesis 48 cellular metabolism 48 intracellular 48 polymerization 48 isoprene 48 biological molecules 48 clonal 48 biochemical pathway 48 stomata 48 actin 48 biochemical reactions 48 mitochondria 48 proteins 48 mutagenesis 48 ubiquitination 48 enzymatic activity 47 endocytosis 47 oligosaccharides 47 ribozyme 47 lectins 47 organelles 47 hydride 47 signaling cascade 47 chromophores 47 Supplementary Fig 47 porphyrin 47 prokaryotes 47 photoreceptor 47 crystal lattice 47 multicellular organisms 47 keratinocytes 46 RNA molecule 46 lysozyme 46 glutamate receptors 46 centrosomes 46 centrosome 46 thermochemical 46 nitrogen fixation 46 photosynthesize 46 biosynthesis 46 metabolic pathway 46 xylose 46 tyrosine 46 mammalian brain 46 stem cell differentiation 46 biochemical pathways 46 metabolic processes 46 cofactor 46 membrane protein 45 endosperm 45 biocatalysts 45 flagella 45 axon 45 mesenchymal cells 45 lignin 45 reactive oxygen species 45 carotenoid 45 hydrocarbon molecules 45 symbionts 45 Fig. 1A