Related by context. Frequent words. (Click for all words.) 66 chemical reactions 64 biochemical processes 59 cellular metabolism 59 proteins 59 biochemical pathways 58 metabolic processes 58 chloroplasts 57 signaling molecule 57 enzymes 57 galactose 57 protein synthesis 56 biochemical pathway 56 NMDA receptors 56 photosynthesis 56 signaling pathways 56 endocytosis 56 neurotransmission 56 metabolic pathways 56 bile acids 56 amino acids 56 molecular pathways 56 molecular pathway 55 molecules 55 chemical messengers 55 proteases 55 metabolism 55 hydrogen ions 55 signaling molecules 55 nerve impulses 55 protein complexes 54 biological molecules 54 tyrosine 54 signal transduction 54 acetylation 54 biosynthesis 54 prostaglandins 54 organelles 54 RNA molecule 54 molecular interactions 54 neurotransmitters 54 carcinogenesis 54 synaptic plasticity 54 transduction 54 quorum sensing 54 reactive oxygen species 53 membrane protein 53 Oxidative stress 53 thyroid hormones 53 stem cell differentiation 53 endocannabinoids 53 tumor suppressor genes 53 membrane proteins 53 serotonin receptors 53 metal ions 53 inflammatory cytokines 53 external stimuli 53 biological pathways 53 neurones 53 signaling pathway 52 biochemical 52 RANKL 52 oxidants 52 beta catenin 52 nitric oxide NO 52 fibrils 52 keratinocytes 52 germ cells 52 PPAR gamma 52 enzymatic activity 52 neurochemical 52 auxin 52 calcium ions 52 protein kinases 52 cell adhesion 52 RNA molecules 52 macromolecules 52 regulate gene expression 52 muscle contractions 52 glial cells 52 nuclei 52 organic acids 52 reactants 52 mitochondria 51 mammalian cells 51 metabolizing 51 homeostatic 51 sensory nerves 51 genetic alterations 51 synaptic connections 51 glia 51 microtubules 51 glutamate 51 organic molecules 51 molecular mechanisms 51 phenolic compounds 51 autophagy 51 neurons 51 misfolding 51 mitochondrial dysfunction 51 superoxide 51 chemical serotonin