Related by context. Frequent words. (Click for all words.) 56 chloroplasts 56 fluorescent dye 55 prion proteins 55 fluorescent proteins 55 RNA molecule 55 bile acid 55 misfolded 54 herpes viruses 54 Nerve cells 54 Wnt signaling 54 dsRNA 54 transgenes 54 messenger RNAs 54 amyloid fibrils 54 fibroblast cells 54 luciferase 54 lysozyme 53 mutant genes 53 nematode worms 53 fluorescent protein 53 PrP 53 Wolbachia 53 gut microbes 53 Neu5Gc 53 Ultraviolet light 53 transposons 53 cytosol 53 genetic alteration 53 biological molecules 52 mesenchymal cells 52 bacterial pathogen 52 T. gondii 52 amyloid deposits 52 naturally occurring bacteria 52 neural tissue 52 rhodopsin 52 iron oxide nanoparticles 52 cultured cells 52 retroviruses 52 prion protein 52 reversibly 52 protozoan 52 organelle 52 protein fragment 52 photoreceptor 52 teratomas 52 epigenome 51 melanoma tumors 51 phloem 51 Immune cells 51 ribozyme 51 astrocyte 51 eukaryotic cells 51 mutant strains 51 transgene 51 anthrax toxin 51 Treg cells 51 Plasmodium 51 mouthparts 51 motile 51 sebaceous glands 51 radioactive tracer 51 organism 51 imprinted genes 51 mycobacteria 51 phages 51 naturally occurring compounds 51 viral vector 51 viral genome 51 keratinocytes 51 alga 51 vesicle 51 Bt toxin 51 oviduct 51 transposon 50 phagocytosis 50 photosynthesize 50 gold nanorods 50 proteins 50 receptor gene 50 Salmonella bacteria 50 dinoflagellates 50 lentivirus 50 viral RNA 50 bacterium 50 Toxoplasma 50 fluoresce 50 parasitic worms 50 chloroplast 50 fluorescent dyes 50 porphyrin 50 germ cells 50 poxvirus 50 c Myc 50 roundworms 50 synthetic genome 50 sensory nerves 50 histones 50 fluorescent protein GFP 50 proteases 50 virulence factors