Related by context. Frequent words. (Click for all words.) 71 flagella 61 irreducible complexity 58 helices 57 organelle 57 RNA molecule 56 single celled 55 outer membrane 55 organelles 55 organism 54 double helix 54 myosin 54 protozoan 54 multicellular organisms 54 eukaryotic cells 54 prokaryotes 54 rhodopsin 53 Brownian motion 53 dimer 53 vesicle 53 tRNA 53 nanomachines 53 single celled organisms 53 PrP 53 introns 53 multicellular 53 membrane protein 53 locomotion 52 molecule 52 mitochondrial genome 52 helix 52 cilia 52 vertebrate 52 transposons 52 capsid 52 RNA polymerase 52 pectoral fins 52 polypeptides 51 transposon 51 evolutionary adaptation 51 heterochromatin 51 mammalian 51 Caenorhabditis elegans 51 codons 51 copepods 51 gp# [002] 51 Supplementary Fig 51 transgene 51 biological molecules 50 Daphnia 50 eukaryotic 50 diatom 50 macromolecules 50 nucleotides 50 conformational 50 Tiktaalik 50 prion proteins 50 embryogenesis 50 clades 49 eukaryotes 49 electromagnets 49 microorganism 49 quantum entanglement 49 forelimbs 49 subunits 49 primordial soup 49 chloroplasts 49 mutant strain 49 DNA strands 49 alga 49 oxygen atom 49 guanine 49 histones 49 evolutionarily 49 amoebae 49 sticklebacks 49 amoebas 49 fibronectin 49 filaments 49 Plasmodium 49 RNA molecules 49 vortices 49 mutational 49 chirality 49 helical 49 mouse embryo 49 scanning tunneling microscope 49 amino acid sequence 49 DNA double helix 49 auxin 49 baker yeast 49 protein complexes 49 receptor protein 49 retrovirus 49 microtubule 49 forelimb 49 mammalian brain 48 microbe 48 mandibles 48 diatoms 48 phylogeny 48 vertebrates